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Acceptance in English contract law

In English contract law, acceptance normally communicates a final and unqualified assent to the offer. A response changing the terms is generally a counter-offer rather than acceptance, while an enquiry for information may not be. The offer can specify a required method, and special communication rules, including the postal rule in appropriate circumstances, can affect when acceptance takes effect. Whether a binding contract exists also depends on other requirements, including consideration and intention where applicable.

Worked example

A supplier offers to deliver 100 units for $1,000. The buyer communicates agreement to those terms before the offer expires. A reply offering $900 instead would generally be a counter-offer, not an unqualified acceptance.

Common mistake

Treating a request to change the price as automatic acceptance, or applying one communication-timing rule without examining the method and terms.

Where it appears in your exams

QualificationExamRelationshipPeriod
ACCA LW (ENG) Direct September 2026–June 2027