Force majeure has come back into sharp focus amid ongoing geopolitical disruption to global trade routes, but recent developments underscore that invoking it is neither automatic nor straightforward. At its core, force majeure is not a universal legal doctrine but a contractual mechanism particularly in common law jurisdictions such as England and Singapore.
Courts in these systems do not treat force majeure as implied; its application depends entirely on the specific wording of the contract. As a result, even in the face of widespread disruption, parties cannot assume relief unless their agreement expressly covers events such as “hostilities,” “governmental interference,” or comparable disruptions within the clause.
What is the threshold for invoking force majeure?
A change in the contractual foundation means that outcomes will vary significantly depending on drafting precision, governing law, and factual circumstances. A consistent theme in recent legal analysis is the high threshold required to successfully invoke force majeure. The affected party must typically demonstrate three elements:
- that the triggering event falls within the contractual definition;
- that the event has prevented, rather than merely hindered or made more expensive, contractual performance; and
- that the party has complied with all procedural requirements, including timely notice and reasonable mitigation efforts.
Among these elements, the requirement of prevention, often framed as an “impossibility,” is particularly demanding. Courts have repeatedly held that increased costs, logistical inconvenience, or commercial impracticality do not suffice. In the context of major geopolitical disruption, this means that higher insurance premiums, longer shipping routes, or elevated fuel costs are unlikely to meet the threshold unless performance is genuinely rendered impossible.
Nevertheless, such disruptions may provide strong factual grounds for force majeure claims in certain sectors, especially shipping and energy. Strategic maritime routes remain among the world’s most critical trade corridors, and interruptions whether through security risks, blockades, or regulatory restrictions can directly impede the physical movement of goods.
Requirements and obligations
Where a party can demonstrate that vessels cannot safely transit a region or that official restrictions prohibit performance, the causation requirement may be satisfied. However, legal commentary stresses that generalized instability or indirect economic effects will not suffice; the claimant must establish a clear and direct causal link between the disruptive event and the failure to perform.
Equally important are the procedural dimensions of force majeure clauses, which have become a focal point in recent practitioner guidance. Many clauses impose strict notice requirements, often within a short timeframe after the occurrence of the triggering event. Failure to comply with these requirements can invalidate an otherwise valid claim.
In addition, parties are typically obligated to take reasonable steps to mitigate the effects of the event, such as seeking alternative suppliers, routes, or methods of performance. In this context, mitigation may include rerouting shipments or sourcing goods from different regions. Courts are likely to scrutinize such efforts closely, and inadequate mitigation may defeat a force majeure defence.
What are the strategic and commercial consequences of invoking force majeure?
Another important consideration is the strategic consequence of invoking force majeure. While it may provide temporary relief from liability, it can also trigger counterparty rights, including termination or renegotiation of the contract. In long-term commercial relationships, particularly in energy and commodities markets, this can have significant economic and reputational implications.
Recent developments have also highlighted the distinction between common law and civil law approaches to force majeure. In many civil law jurisdictions, the doctrine exists independently of contractual provisions and may be invoked even in the absence of an express clause, provided certain statutory criteria are met.
This creates potential divergence in cross-border contracts, where the governing law may determine not only the availability of relief but also the evidentiary burden required to obtain it. Consequently, multinational parties must carefully consider choice-of-law provisions when assessing their legal position.
What if there is no force majeure clause?
Where no force majeure clause exists, parties in common law systems may attempt to rely on the doctrine of frustration. However, this doctrine is even narrower in scope and requires that the contract be rendered fundamentally different from what was originally contemplated.
Courts apply frustration sparingly, and it is unlikely to succeed in cases where performance remains technically possible, even if substantially more onerous. As such, frustration serves as a limited and often unreliable fallback in the absence of contractual protection.
What makes a force majeure claim successful?
While large-scale disruptive events are often cited as classic force majeure triggers, their legal consequences are governed by strict and often unforgiving rules. Success depends not on the scale or severity of the disruption, but on the precise terms of the contract, the ability to demonstrate actual impossibility, and meticulous compliance with procedural requirements.
Operation and risk allocation under NEC4
Force majeure occupies a distinctive and somewhat unconventional position within the NEC4. Unlike many traditional construction and commercial contracts, NEC4 does not expressly recognise or use the term “force majeure.”
Instead, it incorporates the underlying concept through its system of “compensation events,” most notably under clause 60.1(19). This structural choice reflects a deliberate shift away from classical legal doctrines toward a more managerial and risk-allocation-focused approach to unforeseen events.
In traditional contract law, force majeure operates as a doctrine either expressly defined in the contract or, in some legal systems, implied by law that excuses or suspends performance when extraordinary events beyond the parties’ control render obligations impossible. Large-scale geopolitical disruption is a typical example of such an event.
However, NEC4 reframes this idea entirely. Rather than asking whether a party should be excused from performance, NEC4 asks how the consequences of an unforeseen event should be allocated between the parties in terms of time and cost. This reflects the contract’s broader philosophy of maintaining project continuity wherever possible.
Expected vs. unexpected events
Clause 60.1(19) functions as the closest equivalent to force majeure within NEC4. It applies where an event occurs that stops or delays completion, which neither party could prevent, and which an experienced contractor would have considered so unlikely at the time of contract formation that it would have been unreasonable to account for it. This introduces a significant doctrinal shift. While traditional force majeure clauses often focus on defined categories of events, NEC4 places strong emphasis on foreseeability and the reasonable expectations of the parties at the outset of the contract.
This focus on foreseeability can materially affect the treatment of major geopolitical disruptions. If the contract was entered into before tensions escalated, the event may satisfy the requirement of an unforeseeable occurrence. However, if the contract was concluded in a context where instability was already apparent, it may be more difficult to argue that the event was sufficiently unexpected. In this way, NEC4 introduces a more contextual and fact-sensitive inquiry than many traditional force majeure clauses.
Time and cost consequences
Another important distinction lies in the consequences of invoking the relevant provision. Under traditional force majeure, a successful claim typically results in the suspension of obligations or, in some cases, termination of the contract. NEC4, by contrast, treats such events as compensation events.
The contractor is entitled to adjustments to the completion date and the contract price, but the contract itself remains in force. The emphasis is therefore on compensation and continuation, rather than excuse and discharge. This approach aligns with NEC’s overarching objective of facilitating collaboration and ensuring that projects proceed despite unforeseen disruptions.
NEC4 procedure
Procedural requirements under NEC4 are also notably strict. The contractor must notify the employer of a compensation event within a specified time frame, usually eight weeks from becoming aware of the event. Failure to comply with this requirement can result in the loss of entitlement to additional time or money, regardless of the merits of the underlying claim. This highlights the importance of contract administration and reinforces the idea that NEC4 is as much a project management tool as it is a legal instrument.
Key takeaways
In conclusion, force majeure within the NEC4 framework is not a doctrine in the traditional sense but a reconfigured mechanism embedded within the contract’s compensation event regime. Clause 60.1(19) captures events of an exceptional and unforeseeable nature but channels their impact into structured adjustments rather than excusing performance altogether. This reflects a broader philosophical shift from legal absolution to pragmatic risk management, making NEC4 particularly suited to complex, long-term projects where adaptability and continuity are paramount.
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Mr. Leslie Harland is a Chartered Quantity Surveyor and internationally recognised construction quantum expert, with more than three decades of experience in the construction and engineering industry. He has advised clients on a wide range of construction and engineering matters, including liability for disputed variations, complex final account negotiations, unforeseen ground conditions, defective works, variation pricing, and claims for acceleration, disruption, and extensions of time. Leslie has provided oral testimony (in person and by video link) in multiple jurisdictions, including Singapore, the United Kingdom, the United States, South Africa, Dubai, and South Korea.
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Leslie Harland, MSc, MRICS, MCIOB, MCInstCES, ACIArb
Director, Quantum Expert
+65 9272 6295
[email protected]
Published April 6, 2026.
This blog post is intended to provide general information and insights into prevailing industry practices. It is not intended to constitute, and should not be relied upon as, legal, technical, or professional advice. The content does not replace consultation with a qualified expert or professional regarding the specific facts and circumstances of any particular matter.