Laytime and Demurrage: Core Legal and Commercial Principles
Laytime and Demurrage form one of the most important and frequently disputed areas of English maritime law, especially in connection with Voyage Charters. The rules governing this subject have developed largely through court decisions interpreting Charterparty wording over a period of more than one hundred and fifty years. Some of the underlying principles, however, can be traced even further back, to the early Victorian period, when modern commercial shipping law began to take a more recognizable form.This area of law has evolved alongside major changes in maritime commerce. The transition from sail to steam transformed the speed, reliability, and commercial planning of sea transport, while later improvements in communication enabled Shipowners, Charterers, brokers, agents, and cargo interests to exercise far greater control over the performance of a Voyage Charter. Despite these developments, Laytime and Demurrage remain a branch of English Common Law in which legislation has played only a limited role. Instead, the subject has been shaped mainly by judicial reasoning, arbitral decisions, market practice, and the commercial wording chosen by the parties.
Although Standard Charterparty Forms have been used for many decades, and many of their expressions have been examined repeatedly by courts and tribunals, the law has not become fixed or mechanical. Commercial practice continues to generate new disputes, particularly because parties often add Additional Clauses (Rider Clauses) to printed forms. These clauses may be drafted quickly, negotiated under commercial pressure, or copied from previous fixtures without full attention to their interaction with the main Charterparty wording. As a result, uncertainty remains common, and questions concerning Laytime, exceptions, interruptions, Demurrage, and the validity of notices continue to arise.
Most Laytime and Demurrage disputes originate under Charterparties, but the principles are also significant in related commercial arrangements, including sale contracts, cargo contracts, and financing structures where the timing of loading or discharge may affect cost, risk, or performance obligations. The interpretation of disputed wording belongs ultimately to judges and, in many cases, Arbitrators. In practical terms, however, the majority of Laytime issues are handled first by shipbrokers, operators, port agents, demurrage analysts, claims handlers, and commercial managers. Only a small proportion of disagreements proceed to formal arbitration or litigation.
Changes in Arbitral Law and arbitration procedure have reduced the number of opportunities for appeal, making reported arbitration awards more important for the development of commercial understanding. Awards of wider market relevance are often published in anonymized form, protecting party confidentiality while still allowing the industry to learn from the reasoning adopted by tribunals. Lloyd’s Maritime Law Newsletter has therefore become an important source for the limited publication of significant arbitration decisions concerning Laytime and Demurrage.
There have been three main attempts to create standardized definitions for Laytime and Demurrage terminology:
- Charterparty Laytime Definitions 1980
- Voyage Charterparty Laytime Interpretation Rules 1993
- Baltic Code 2007
The purpose of this section is to introduce Laytime and Demurrage, explain their General Principles, and provide a clear foundation for readers who are approaching the subject for the first time. A proper understanding of these principles is essential because Laytime and Demurrage directly affect the economic result of a Voyage Charter. A few hours of delay at a busy port, an invalid Notice of Readiness, or an unclear exception clause may produce a substantial financial claim.
Before considering the General Principles of Laytime in detail, it is necessary to place Laytime within the wider structure of a Voyage Charter. The terms ‘‘Laytime’’ and ‘‘Demurrage’’ are defined in the Voylayrules 1993 in the following way:
‘‘LAYTIME’’ shall mean the period of time agreed between the parties during which the Shipowner will make and keep the ship available for loading or discharging without payment additional to the Freight.
‘‘DEMURRAGE’’ shall mean an agreed amount payable to the Shipowner in respect of delay to the ship beyond the Laytime, for which the owner is not responsible. Demurrage shall not be subject to Laytime exceptions.
The word Laytime is generally regarded as a shortened form of “Lying Alongside Time."
In The Johanna Oldendorff case, Lord Diplock explained that the commercial adventure under a Voyage Charter can be divided into four separate and consecutive stages:
(1) The loading or approach voyage – the movement of the ship from her position at the date of the Charterparty, or from the place where she completes her previous employment if that occurs later, to the agreed loading destination.
(2) The loading operation – the delivery of cargo to the ship at the loading place and the proper stowage of that cargo on board.
(3) The carrying or loaded voyage – the sea passage of the ship from the loading place to the agreed place of discharge or delivery under the Charterparty.
(4) The discharging operation – the delivery of the cargo from the ship at the discharge place and its receipt by the Charterer, consignee, receiver, or other party entitled to take delivery.
Although commercial arguments have sometimes attempted to soften or blur the distinction between these stages, Lord Diplock’s analysis remains a clear statement of English law. Each stage is distinct, sequential, and must be completed before the next stage can begin. This principle has important practical consequences. For example, a ship must have arrived at the contractual destination before a Notice of Readiness (NOR) can be validly tendered. A Notice of Readiness (NOR) cannot normally be given while the ship is still on the voyage and has not yet reached the place required by the Charterparty. Under this approach, the stages do not overlap, and there is no legal gap between them.
In its simplest form, a Voyage Charter requires the ship to proceed to the agreed loading place, receive the specified cargo, carry that cargo to the agreed discharging place, and deliver it in accordance with the Charterparty. The commercial bargain is therefore built around the use of the ship for a defined voyage, with the agreed Freight intended to compensate the Shipowner for the voyage performance and the agreed time allowed for cargo operations.
Of the four stages, the sea passages are primarily within the Shipowner’s control. By contrast, loading and discharging are normally joint operations involving the Shipowner, the Charterer, terminal operators, port authorities, agents, shippers, receivers, stevedores, and other local participants. The Shipowner’s objective is to complete the voyage efficiently and return the ship to the market as soon as possible, thereby maximizing earnings from the ship. The Charterer’s objective is usually to move the cargo safely and economically, keeping freight and associated costs as low as commercially possible. This difference in economic interest explains why Laytime and Demurrage clauses are so important.
For the Shipowner, time is a direct commercial asset. Every day spent waiting at a port may prevent the ship from earning under a new employment. For the Charterer, however, speed may not always be the only priority. The Charterer may be influenced by cargo availability, sale contract terms, terminal schedules, documentary requirements, financing arrangements, weather conditions, berth congestion, or the cost of accelerating operations. Laytime provisions are therefore the contractual mechanism by which the parties divide the financial risk of time used during loading and discharging.
The voyage stages at sea are generally required to be prosecuted with Reasonable or Convenient Despatch, depending on the wording of the Charterparty. This means that the Shipowner must proceed without unjustified delay and perform the voyage in a commercially proper manner. However, the parties may agree commercial arrangements that affect speed. For example, when bunker prices are high, the Shipowner may negotiate to perform the Laden Voyage at reduced speed, commonly described as Slow Steaming. Slow Steaming increases voyage duration but may reduce Bunker (Fuel) consumption and overall operating expenditure.
During the sea passages, the ship and the voyage performance remain largely under the management and responsibility of the Shipowner. It is therefore commercially logical that the Shipowner normally bears the risk of delay while the ship is underway, unless the Charterparty provides otherwise. By contrast, once the ship has reached the loading or discharging phase, the allocation of risk depends heavily on the agreed wording. The Charterparty must determine how much time is allowed for cargo operations, when that time begins, when that time is suspended, when that time ends, and what financial consequences follow if the permitted time is exceeded.
As Scrutton LJ explained in Inverkip Steamship Co Ltd v. Bunge & Co, the agreed sum for Freight includes the use of the ship for an agreed period for loading and discharging, known as the Lay Days, as well as for the Voyage itself. This statement reflects the commercial foundation of Laytime. Freight is not simply payment for movement across the sea; it also covers a limited period during which the ship is made available for cargo handling at the loading and discharging ends of the voyage.
Once that agreed period has been used, continued detention of the ship may give rise to Demurrage, provided the relevant contractual requirements are satisfied. Demurrage is therefore not merely a penalty for delay. It is a pre-agreed contractual sum representing compensation for keeping the ship beyond the Laytime allowed. The rate of Demurrage, the permitted Laytime, the exceptions to Laytime, and the conditions for tendering a valid Notice of Readiness are all matters of commercial negotiation and legal significance.
Ultimately, the allocation of time risk under a Voyage Charter depends on the Freight level, the Demurrage rate, port conditions, cargo characteristics, market strength, ship availability, and the bargaining power of the parties at the time of fixing. In a strong Freight Market, Shipowners may secure tighter Laytime provisions and higher Demurrage rates. In a weaker Freight Market, Charterers may obtain more favorable exceptions, longer Laytime, or wording that shifts more delay risk away from themselves. Laytime and Demurrage therefore sit at the intersection of legal interpretation, operational reality, and commercial leverage.
Voyage Charters may be divided into two main categories according to the Laytime arrangement adopted by the parties: Customary Laytime and Fixed Laytime.
1 – Customary Laytime
2 – Fixed Laytime
Under a Customary Laytime charter, the time allowed for loading or discharging is not measured by a fixed number of days, hours, or cargo-handling rate. Instead, the permitted period is the reasonable period required for the operation, having regard to the circumstances existing at the relevant port, the nature and size of the ship, the type of cargo, the available port facilities, and the conditions prevailing at the time of loading or discharging. Because these factors vary from port to port and from one voyage to another, the precise duration of Customary Laytime cannot be calculated in advance with mathematical certainty.
Where Laytime is left to custom, the ordinary operational risks affecting cargo work will normally rest with the Shipowner, unless the Charterer is personally responsible for the delay. These risks may include congestion, adverse weather, strikes, holidays, shortage of berth space, local working practices, or other delays that form part of the normal circumstances of the port. If Shipowners and Charterers do not agree any express Laytime allowance in the Charterparty, Customary Laytime will be implied by law.
Fixed Laytime operates on a different basis. In a Fixed Laytime charter, the parties agree in advance a period of predetermined duration for loading or discharging. The agreed allowance may be stated as a specific number of days or hours, or it may be expressed through a cargo-working formula. Typical examples include “to load in 3 running Days,” “to discharge in 6 Weather Working Days (WWD),” “to load at an average rate of 9,000 metric tons per day,” or “to discharge at 700 tons per working hatch per working day.”
The central feature of Fixed Laytime is that the parties can, at least in theory, identify the permitted time before the voyage is performed. In practice, however, the final calculation may still become complicated. Expressions such as Weather Working Days (WWD), Sundays and holidays excepted, weather interruptions, strike clauses, berth congestion clauses, and other exceptions may stop or suspend the running of Laytime. As a result, the calendar period needed to exhaust the agreed Laytime may be longer than the numerical allowance appears to suggest.
Unless the Charterparty wording provides otherwise, the risk of delay under Fixed Laytime generally falls on the Charterer. This is the opposite of the position under Customary Laytime. The strict nature of this obligation was described by Lord Selborne LC in Postlethwaite v. Freeland, where the Charterer’s undertaking to load within the agreed time was treated as “an absolute and unconditional engagement, for the non-performance of which he is answerable, whatever may be the nature of the impediments which prevent him from performing it and which cause the ship to be detained in his service beyond the time stipulated.”
The basis of this Absolute Liability was later explained by Lord Diplock in The Johanna Oldendorff: “Charterparties originated at a period when contractual obligations were as a general rule treated as absolute. A party’s obligation was to secure that anything that he warranted should be done, was done. If it was not, then, unless this was the result of some default of the other party, he was liable in damages, even though circumstances over which he himself had no control and could not even have foreseen made it impossible for it to be done.”
Customary Laytime once had considerable importance in commercial shipping, particularly in older forms of trade where loading and discharging depended heavily on local port habits and customary working arrangements. Today, it is encountered less often in its pure form. It survives mainly through expressions such as Liner Terms, undertakings to load or discharge with Customary Despatch, or the mixed formulation known as Customary Quick Despatch (CQD). Even so, Customary Laytime remains important because many fundamental Laytime principles developed from disputes involving customary performance, port practice, and the reasonable time required for cargo operations.
Fixed Laytime is now the more common commercial choice because it gives Shipowners and Charterers greater certainty when estimating the duration and financial risk of a Voyage Charter. It also allows the parties to adjust the allocation of risk through carefully drafted Exception Clauses. These clauses may exclude certain periods from Laytime, suspend Laytime during particular events, or shift responsibility for specified delays. In this way, Fixed Laytime combines commercial predictability with contractual flexibility.
Whichever form of Laytime is adopted, Voyage Charters are also classified by reference to the contractual destination for loading or discharging. A charter may be a Berth Charter, Dock Charter, or Port Charter, depending on whether the agreed destination is a specific berth, a dock, or a port.
Voyage Charter Types:
1 – Berth Charter
2 – Dock Charter
3 – Port Charter
A single Voyage Charter may also use different arrangements at each end of the voyage. For example, a Charterparty may be a Berth Charter at the loading port but a Port Charter at the discharging port. The classification is important because it determines when the ship has legally arrived at the agreed destination and when the process leading to the commencement of Laytime may begin.
As a general rule, Laytime starts only after the ship has arrived at the named destination, a valid Notice of Readiness (NOR) has been tendered if the Charterparty requires one, and any contractual waiting period has expired. From that point, the financial risk of delay may shift from the Shipowner to the Charterer, depending on the terms of the Charterparty. For this reason, identifying the precise moment of arrival is a matter of major legal and commercial significance.
In Berth Charters and Dock Charters, the arrival question is usually straightforward. If the agreed destination is a particular berth, the ship normally becomes an arrived ship only when it reaches that berth. If the agreed destination is a dock, arrival will normally depend on the ship reaching the relevant dock. In these cases, the physical position of the ship is usually easier to establish. A Port Charter, however, is more complicated, because the agreed destination is the port as a whole rather than one specific berth or dock.
Before the Court of Appeal decision in Leonis Steamship Co v. Rank, there was uncertainty about when a ship became an arrived ship under a Port Charter. The Court of Appeal clarified that the contractual destination was reached when the ship entered the commercial area of the port, and not only when the ship reached a berth. This approach moved the focus away from the berth itself and toward the wider port area in which commercial port operations were conducted.
Further uncertainty later arose over the meaning of the “commercial area” of the port and whether a customary waiting place could fall within it. This issue was addressed by the House of Lords in The Johanna Oldendorff. Lord Reid formulated the principle that became known as “The Reid Test”:
Before a ship can be said to have arrived at a port she must, if unable to proceed directly to a berth, have reached a position within the port where she is at the immediate and effective disposition of the Charterer.
The practical assumption is that where a ship lies at a place within the port where ships of that type usually wait for a berth, the ship will normally be treated as being at the “immediate and effective disposition of the Charterer.” The test therefore connects legal arrival with commercial availability. The ship must not merely be near the port; it must be in a position where the Charterer can use it for the contractual cargo operation once a berth becomes available.
Shipowners and Charterers may, however, modify the ordinary arrival rules by express agreement. In a Berth Charter, for example, the parties may provide that Laytime is to begin “Whether In Berth Or Not (WIBON)," so that congestion preventing access to the berth does not automatically prevent Laytime from starting. The commercial purpose of a WIBON clause is usually to protect the Shipowner against delay where the ship has reached the port area but cannot proceed to the berth because no berth is available.
Similarly, the parties may agree that Laytime can begin even when the ship is not yet within port limits, provided the ship has reached a waiting place and is no longer underway. This is commonly achieved through wording such as “Whether In Port Or Not (WIPON)." A WIPON clause may be particularly important where port limits are narrowly defined, where customary anchorages are located outside those limits, or where traffic regulations require ships to wait outside the formal port area before entering.
These clauses show how Laytime law combines strict legal principles with practical commercial drafting. The basic rules determine the starting point, but the parties remain free to alter that position by clear contractual language. Whether the charter is based on Customary Laytime or Fixed Laytime, and whether it is structured as a Berth Charter, Dock Charter, or Port Charter, the same underlying question remains central: at what moment does the risk of delay transfer from the Shipowner to the Charterer?
After Laytime has begun to count, it does not necessarily run without pause until the cargo operation ends. Its running may be suspended either by an Interruption or by an Exception to Laytime. Although these two concepts may appear similar in commercial use, they operate differently in law. An Interruption concerns a period that does not fall within the Laytime definition contained in the Laytime Clause. An Exception, by contrast, concerns a period that would otherwise count as Laytime but is expressly removed from the calculation by the Charterparty wording.
The practical difference is important. If the Charterparty provides for Weather Working Days (WWD), bad weather may operate as an Interruption because the affected period is outside the agreed description of working time. In such a case, it is normally sufficient to show that the relevant weather condition existed during the period in question. However, where a clause excludes time lost through Strikes, the clause is usually treated as an Exception. It is then not enough merely to prove that a Strike occurred. The party relying on the Exception must also show that the Strike actually prevented or delayed loading or discharging.
Lord Diplock explained the historical basis of contractual exceptions in The Johanna Oldendorff case in the following terms:
“In the case of maritime carriage this rule (as to Absolute Liability) was subject to the exception that performance was excused if it were prevented by Act of God or of the King’s Enemies or by Inherent Vice in the goods carried. At a very early date it became usual to incorporate in Charterparties express exceptions for other maritime perils, and in modern Charterparties these have been extended to strikes and other hindrances to performance which take place on land.”
Once Laytime has commenced, it continues until the loading or discharging operation is finished, unless the agreed Laytime allowance is exhausted earlier. The moment of completion depends on the nature of the trade and the wording of the Charterparty. In dry bulk trades, completion will usually be linked to the final loading or discharge of the cargo. In tanker trades, completion is often tied to the disconnection of cargo hoses, although some forms may also refer to related documentary or terminal procedures.
The parties may agree that Laytime is to be calculated as one continuous allowance covering both loading and discharging, or they may provide separate Laytime allowances for each operation. Where separate calculations are used, the Charterparty may permit unused time at one end of the voyage to be applied at the other end. This method is commonly described as Averaging or Reversing. Averaging and Reversing are commercially useful because they allow the parties to assess the voyage as a whole rather than treating loading and discharging as entirely isolated operations.
In some trades, particularly in parcel tanker business, the position may be even more complex. A single ship may carry several parcels of cargo under separate charters at the same time, with different Charterers, cargo interests, loading ports, discharging ports, and Laytime arrangements. In such circumstances, careful records are essential because the time used for one cargo interest may not necessarily be attributable to another.
If loading or discharging is not completed within the agreed Laytime, the Shipowner becomes entitled to compensation for the additional time during which the ship is detained. This compensation may take the form of Liquidated Damages (Demurrage), where the rate has been fixed in advance by the Charterparty, or Unliquidated Damages, where the Shipowner brings a Detention claim. Demurrage is the usual commercial mechanism because it gives both Shipowner and Charterer a pre-agreed daily rate for delay beyond Laytime.
Demurrage is normally stated in the Charterparty as a daily amount, often calculated pro rata for part of a day. The parties may agree that Demurrage is payable only for a Limited Period, after which a different remedy or rate may apply. More commonly, however, Demurrage is agreed for an Unlimited Period, meaning that the agreed rate continues to run until the ship is finally released from the delay. It is now well established that the Charterer’s failure to complete loading or discharging within the agreed Laytime constitutes a Breach of Contract.
The Demurrage rate agreed between Shipowner and Charterer is intended to compensate the Shipowner for the financial consequences of the ship being kept beyond the agreed time. In commercial terms, it should reflect the ship’s daily operating expenses and the earning opportunity the Shipowner loses because the ship cannot proceed to her next employment. However, Demurrage is also influenced by market conditions. In a firm freight market, Shipowners may negotiate higher Demurrage rates. In a weaker market, Charterers may obtain lower rates or more generous Laytime terms.
Some charters are arranged so that Demurrage is unlikely to arise in ordinary circumstances because the Laytime allowance is deliberately generous. These arrangements are often referred to as Despatch Business. In such cases, the commercial focus may be less on penalizing delay and more on encouraging efficient cargo handling by rewarding early completion.
Because Demurrage operates as a Liquidated Damages mechanism, the amount must be fixed before the relevant breach occurs. Like Freight, however, the level at which Demurrage is negotiated reflects freight market conditions, the type of ship, the cargo involved, the expected port performance, and the relative bargaining strength of the parties at the time of fixing.
A well-known phrase in this field is “Once on Demurrage, Always on Demurrage." The expression means that once Laytime has been exhausted and Demurrage has begun to accrue, Demurrage normally runs continuously on a Running Day basis. The usual Laytime Exceptions no longer apply once Demurrage has started. If the parties intend an exception to continue operating after the ship is already on Demurrage, the Charterparty must say so in very clear terms.
In The Spalmatori case, Lord Reid considered whether the Centrocon Strike Clause applied to a Strike that began after Demurrage had already started. Lord Reid explained the commercial logic in the following words:
“. . . if it occurs after Demurrage has begun to accrue the owner might well say: ‘True your breach of contract in detaining my ship after the end of the Laytime did not cause the strike, but if you had fulfilled your contract the strike would have caused no loss because my ship would have been on the high seas before it began: so it is more reasonable that you should bear the loss than that I should.’”
The same reasoning applies broadly to other exceptions. Once the Charterer is already in breach by keeping the ship beyond Laytime, the law is slow to allow ordinary Laytime Exceptions to reduce the Shipowner’s recovery unless the contract clearly provides for that result. It is also accepted that Laytime Exceptions, and even Demurrage Exceptions, will not normally apply to Claims for Detention unless the wording of the Charterparty clearly extends them to that situation.
As a starting point, liability for Demurrage rests with the Charterer. The mere incorporation of Charterparty provisions into the Bills of Lading (B/L) is not usually enough, by itself, to make the Receiver jointly liable for Demurrage. Clear contractual language is required before liability can be imposed on the Receiver. This distinction is commercially important because cargo may pass through several hands, while the original Charterer remains the party primarily responsible under the Charterparty.
One method of making the Receiver responsible for Demurrage, particularly Demurrage incurred at the discharge port, is to grant the Shipowner an Express Lien over the cargo. If the lien is properly drafted and supported by an effective Cesser Clause, responsibility for Demurrage may be shifted from the Charterer to the Receiver. The Cesser Clause is designed to end, or reduce, the Charterer’s liability once cargo has been shipped, while the lien gives the Shipowner security against the cargo for sums due.
However, a Lien for Demurrage is only a Possessory Lien. This means that the Shipowner’s security depends on retaining possession of the cargo. Once the Shipowner gives up possession, the lien is lost. If the cargo is delivered without payment or adequate security, the Receiver may no longer be answerable under the lien, and the Shipowner may also have lost recourse against the Charterer if an effective Cesser Clause applies. This is why Shipowners must exercise great care before releasing cargo where Demurrage remains unpaid.
If loading or discharging is completed within the Laytime allowed, and the Charterparty contains an express provision for it, Despatch may become payable by the Shipowner to the Charterer. Despatch is the commercial counterpart of Demurrage. It rewards the Charterer for completing cargo operations more quickly than the agreed allowance. The calculation may be based on All Time Saved (ATS) or, less commonly, All Working Time Saved (AWTS).
Devlin J explained the commercial purpose of Demurrage and Despatch Money in Compania de Navigacion Zita SA v. Louis Dreyfus & Cie:
“The Shipowner’s desire is to achieve a quick turn-round; time is money for him. The object of fixing lay days and providing for Demurrage (D) and Despatch Money (DM) is to penalize dilatoriness in loading and to reward promptitude.”
Where Despatch Money (DM) is agreed, it is almost always fixed at Half the Demurrage Rate. This is commonly expressed in Charterparties as DHD (Despatch Half Demurrage) or D1/2D. The commercial logic is that the Charterer receives a reward for saving time, but the reward is usually lower than the amount payable for delaying the ship beyond Laytime. In this way, Demurrage and Despatch work together as financial incentives, encouraging efficient port performance while allocating the cost of delay between Shipowner and Charterer.
A claim for Detention may arise where a ship is delayed because of the Default of the Charterer, or because of the Default of parties acting on the Charterer’s behalf, while the Charterparty remains in force. In this situation, the Shipowner may be entitled to recover Unliquidated Damages for the delay. This principle, however, does not normally apply where the delay occurs after the ship has already arrived at the agreed destination and loading or discharging has not yet been completed. In that case, any unused Laytime may be applied against the delay, and if the ship has already gone on Demurrage, then Demurrage will apply.
Once Laytime has been exhausted, and provided the Charterparty contains a Demurrage provision, Demurrage becomes payable until the loading or discharging operation is completed. Demurrage may also continue until the Charterparty comes to an end. This may occur because performance has become impossible through Frustration, or because one party has demonstrated an intention to Repudiate the Charterparty and the other party has accepted that Repudiation. For example, if the Charterer failed to provide cargo and made it clear that cargo would never be supplied, the Shipowner could treat that conduct as Repudiation of the Charterparty and Accept it.
If the Shipowner elects not to accept the Repudiation immediately, Demurrage may continue to accrue until the Repudiation is accepted or until the Charterparty is otherwise terminated by Frustration. The distinction is significant. Frustration is caused by an External Event that makes performance legally or commercially impossible in the relevant sense, whereas Repudiation and Acceptance of Repudiation depend on the conduct and choices of the Parties, namely the Shipowner and the Charterer.
The Interpretation of Laytime Clauses
Certain General Principles are applied when Charterparty Clauses, including Laytime Clauses, must be interpreted. These principles are designed to give commercial contracts a coherent and workable meaning. They include the following:1- clauses in a Charterparty should, as far as possible, be read together in harmony;
2- if an inconsistency exists, Additional Clauses (Rider Clauses) will usually prevail over Printed Clauses;
3- if the conflict cannot otherwise be resolved, clauses appearing later in the Charterparty may prevail over earlier clauses;
4- a clause may be interpreted Contra Proferentem against the party for whose benefit the wording was introduced.
These rules reflect the practical reality of Charterparty drafting. Many Charterparties are based on printed forms that have been used for many years, but the final contract often contains negotiated additions, amendments, deleted provisions, and Rider Clauses. When these provisions do not fit neatly together, the court or tribunal must decide how the contract should operate as a complete commercial document.
The courts have also provided important guidance on how the intentions of the parties, namely the Shipowner and Charterer, should be identified from the language of the Charterparty. The law does not normally ask what the parties privately had in mind. Instead, it asks what a reasonable person, with the relevant background knowledge, would understand the words of the contract to mean.
In Storer v. Manchester CC, Lord Denning MR explained this objective approach in clear terms:
“In contracts you do not look into the actual intent in a man’s mind. You look at what he said and did. A contract is formed when there is, to all outward appearances, a contract. A man cannot get out of a contract by saying ‘I did not intend to contract’ if by his words, he has done so. His intention is to be found only in the outward expression which his [words] convey. If they show a concluded contract, that is enough.”
This principle is particularly relevant in Laytime disputes because commercial parties may later disagree about what they intended when they used expressions such as Weather Working Days, reversible Laytime, customary despatch, berth congestion wording, WIBON, WIPON, exceptions clauses, or demurrage provisions. The legal question is not what one party later says was intended, but what the contractual language objectively conveys.
A similar approach was adopted in Schuler AG v. Wickman Machine Tool Sales Ltd. In that case, the issue was whether a term described in the contract as a Condition allowed the innocent party to terminate for any breach of that term. Lord Reid, giving the first judgment, emphasized that the label used by the parties was relevant but not decisive:
“But we must remember we are seeking to discover intention as disclosed by the contract as a whole. Use of the word ‘condition’ is an indication—even a strong indication—of such an intention but it is by no means conclusive. The fact that a particular construction leads to a very unreasonable result must be a relevant consideration. The more unreasonable the result the more unlikely it is that the parties can have intended it, and if they do intend it the more necessary it is that they should make that intention abundantly clear.”
This reasoning is important for Charterparty interpretation because individual words cannot always be read in isolation. A Charterparty may use a familiar commercial expression, but its effect may be altered by other clauses, amendments, printed wording, Rider Clauses, or the factual background of the fixture. The contract must therefore be read as a whole, not as a collection of disconnected phrases.
Attention should also be given to a well-known Dictum of Lord Diplock in Antaios Compania Naviera SA v. Salen Rederierna AB, where Lord Diplock stated:
“. . . if a detailed semantic and syntactical analysis of a word in a commercial contract is going to lead to a conclusion that flouts business common sense, it must be made to yield to business common sense.”
This statement has particular force in shipping contracts, where clauses are often drafted against a background of established market practice, commercial urgency, and operational reality. A purely technical reading that produces an uncommercial or absurd result is unlikely to be preferred where the wording can reasonably bear a more practical meaning.
A related Dictum was given by Lord Mustill in Torvald Klaveness v. Arni Maritime, where Lord Mustill observed:
“Naturally, no judge will favour an interpretation which produces an obviously absurd result unless the words used drive him to it, since it is unlikely that this is what the parties intended. But where there is no obvious absurdity, and simply assertions by either side that its own interpretation yields the more sensible result, there is room for error.”
This warning is commercially important. Courts and Arbitrators will try to avoid an interpretation that is plainly absurd, but they will not rewrite the parties’ bargain merely because one side argues that its interpretation is more convenient or more profitable. The wording remains the starting point, and business common sense is used to interpret the contract, not to create a different contract.
In Reardon Smith v. Hansen-Tangen, Lord Wilberforce emphasized that commercial contracts must be understood against their surrounding circumstances and commercial purpose. Lord Wilberforce stated:
“No contracts are made in a vacuum: there is always a setting in which they have to be placed. The nature of what is legitimate to have regard to is usually described as ’the surrounding circumstances’, but this phrase is imprecise: it can be illustrated but hardly defined. In a commercial contract it is certainly right that the Court should know the commercial purpose of the contract and this in turn presupposes knowledge of the genesis of the transaction, the background, the context, the market in which the parties are operating. It is often said that, in order to be admissible in aid of construction, these extrinsic facts must be within the knowledge of both parties to the contract, but this requirement should not be stated in too narrow a sense. When one speaks of the intention of the parties to the contract, one is speaking objectively—the parties cannot themselves give direct evidence of what their intention was—and what must be ascertained is what is to be taken as the intention which reasonable people would have had if placed in the situation of the parties.”
This approach is especially relevant to Voyage Charters because their wording is closely connected to the commercial environment in which they are fixed. The nature of the cargo, the port, the berth arrangements, the expected loading or discharging rate, the availability of cargo, the state of the freight market, and the operational expectations of the trade may all form part of the commercial background against which the Charterparty is understood.
In later House of Lords decisions, Lord Hoffmann expressed the modern principles of contractual interpretation in broader terms. In Investors Compensation Scheme v. West Bromwich Building Society, Lord Hoffmann explained:
“(1) Interpretation is the ascertainment of the meaning which the document would convey to a reasonable person having all the background knowledge which would reasonably have been available to the parties in the situation in which they were at the time of the contract.
(2) The background was famously referred to by Lord Wilberforce [in Prenn v. Simmonds [1971] 1 WLR 1381] as the ‘matrix of fact’, but this phrase is, if anything, an understated description of what the background may include: subject to the requirement that it should have been reasonably available to the parties and to the exception to be mentioned next, it includes absolutely anything which would have affected the way in which the language of the document would have been understood by a reasonable man.
(3) The law excludes from the admissible background the previous negotiations of the parties and their declarations of subjective intent. They are admissible only in an action for rectification. The law makes this distinction for reasons of practical policy and, in this respect only, legal interpretation differs from the way we would interpret utterances in ordinary life. The boundaries of this exception are in some respects unclear. But this is not the occasion on which to explore them.
(4) The meaning which a document (or any other utterance) would convey to a reasonable man is not the same as the literal meaning of its words. The meaning of words is a matter of dictionaries and grammars; the meaning of the document is what the parties using those words against the relevant background would reasonably have been understood to mean. The background may not only enable the reasonable man to choose between possible meanings of ambiguous words but may even (as sometimes occurs in ordinary life) lead to the conclusion that the parties must, for whatever reason, have used the wrong words or syntax; (see Mannai Investment Co Ltd v. Eagle Star Life Assurance [1997] 2 WLR 945).”
Lord Hoffmann’s analysis is important because it confirms that interpretation is not a mechanical exercise in dictionary definitions. The court must consider what the document would convey to a reasonable person with the knowledge reasonably available to the parties at the time of contracting. This does not mean that the court may freely substitute its own view of what would have been a better bargain. It means that the words must be read in their proper commercial and factual setting.
The final part of Lord Hoffmann’s explanation can be understood more clearly by considering Mannai Investment Co Ltd v. Eagle Star Life Assurance. That case concerned a landlord and tenant dispute in which a notice was given to terminate a lease on 12 January 1995, although the correct third anniversary date under the lease was 13 January 1995. The House of Lords, by a majority that included Lord Hoffmann, reversed the Court of Appeal and held that the notice was nevertheless effective.
The reasoning was that both parties, reading the notice against the terms of the lease and the relevant background, would have understood the intended date to be 13 January 1995. The mistake in the date did not prevent the notice from having legal effect because the meaning conveyed to a reasonable recipient was sufficiently clear. In Charterparty disputes, this principle may be relevant where the parties have used imperfect language, inconsistent wording, or an apparent drafting mistake, but the commercial meaning remains objectively identifiable.
The interpretation of Laytime Clauses therefore requires more than a narrow reading of isolated words. Courts and Arbitrators must consider the Charterparty as a whole, the hierarchy between printed terms and Rider Clauses, the commercial purpose of the fixture, the background knowledge available to the parties, and the need to avoid interpretations that defeat business common sense. At the same time, they must respect the actual wording used. The result is a balanced approach: commercial reasonableness guides interpretation, but it does not permit the tribunal or court to rewrite the bargain made by the Shipowner and Charterer.
The Court of Appeal had previously taken a stricter approach. Relying on Hankey v. Clavering and other authorities of a similar kind, the Court of Appeal held that where lease provisions required the service of notices—such as notices under a break clause, notices exercising an option to purchase, or notices to quit—the notice must be given in the exact terms required by the lease. On that approach, accuracy of wording and compliance with the formal requirement were treated as essential.
The House of Lords, by a majority, adopted a more practical view and reversed that decision. The House of Lords considered that if it was clear, viewed objectively, that the party serving the notice intended to comply with the relevant contractual clause, then the notice could still be effective even though it contained an incorrect date. The decisive question was not whether every word or figure was technically perfect, but whether the reasonable recipient would have understood what the notice was intended to do.
In his speech, Lord Hoffmann explained the point by referring to ordinary language and everyday communication. People often express themselves imperfectly, but their meaning may still be understood without difficulty. Lord Hoffmann referred to malapropisms as an example: a speaker may use the wrong word, yet the intended meaning may remain perfectly clear from the context. The same may occur where there is a mistake in a name, description, day, or time. If one person asks, “And how is Mary,” but both people know that Jane is being referred to, the communication has not failed merely because the wrong name was used. Even if the listener does not correct the mistake, both parties may still understand the message in the same way.
Lord Hoffmann also gave the example of two people arranging to attend a concert on a particular date, with one of them later saying that he will see the other on a certain date but mistakenly stating the wrong day. In such a situation, the surrounding context may make it obvious which date was intended. The error does not necessarily destroy the communication if the meaning conveyed to a reasonable person remains clear.
This approach has influenced the modern law of contractual interpretation. In appropriate cases, courts may be willing to correct the language used by the parties, or even substitute alternative words, where this is necessary to give effect to their objectively ascertained true intention and to preserve business common sense. The purpose is not to impose a new bargain on the parties, but to identify the meaning that the document would reasonably have conveyed against its proper commercial and factual background.
However, this more flexible approach has limits. Judges have repeatedly warned that interpretation cannot become an excuse for rewriting the contract. Lord Mustill’s reference in Torvald Klaveness to the “room for error," is an important reminder that commercial common sense must be used carefully. Similar caution was expressed by Mr Justice Steyn in Pagnan v. Tradax Ocean Transportation and by Mr Justice Saville in The Sea Queen. Their observations emphasize that interpretation often begins with a broad understanding of how the contract allocates risk between the parties, but the court or tribunal must still respect the bargain actually made.
In the context of Charterparties, this distinction is particularly important. A court or Arbitrator may consider the commercial purpose of a Laytime Clause, the structure of the Charterparty, the relationship between Printed Clauses and Additional Clauses (Rider Clauses), and the market background in which the fixture was concluded. However, the court or Arbitrator cannot simply improve the wording because one party later considers the bargain inconvenient or commercially harsh. Business common sense assists interpretation; it does not give permission to replace the contract with a different arrangement.
Whether a Charterparty has been Frustrated is a question of law. Courts will not normally interfere with a Tribunal’s finding of Frustration where it is shown that the correct legal test has been applied. The date on which a Charterparty becomes Frustrated, however, is a question of fact, depending on the circumstances and the point at which the frustrating event made further performance legally or commercially impossible in the relevant sense.
It is also important to note that the Law Reform (Frustrated Contracts) Act 1943 does not apply to Voyage Charters. This exclusion is significant because Voyage Charters remain governed by the special rules of maritime contract law and by the contractual allocation of risk agreed between the Shipowner and Charterer. In practice, the consequences of Frustration in a Voyage Charter must therefore be assessed by reference to the Charterparty terms, common law principles, and the particular facts giving rise to the alleged Frustration.