Jurisdiction(s):
United Kingdom

Related legal acts

Key definition

IP completion day definition

What does IP completion day mean? The point in time marking the end of the Brexit implementation (transition) period for UK legal purposes. In practice, it is the trigger date used in UK statutes, statutory instruments and contracts to determine when EU law stopped applying and when UK amendments took effect. It is defined in legislation: section 39 of the European Union (withdrawal agreement) Act 2020 fixes “IP completion day” as 11.00 p.m. on 31 December 2020 (UK time). Key legal effects include: establishing the snapshot for “retained EU law” under the European Union (Withdrawal) Act 2018; altering the supremacy and direct effect of EU law as...

Standard terms and conditions post-IP completion day: UK drafting, B2B/B2C and e-commerce impacts, TCA implications, retained EU law, EU case law and government/EU guidance

Published by a LexisNexis Commercial expert

Practice notes

ARCHIVED: This Practice Note is archived and is not maintained

How does Brexit impact standard terms and conditions?

Brexit’s key effects on standard terms and conditions arise from practical adjustments to be addressed when drafting and assessing the suitability of standard form terms for the purchase and Supply of goods and/or services, covering both business to business and business-to-consumer contracts.

Review of suitability

Standard form terms and conditions should be checked to ensure they remain appropriate for use after IP completion day, both for the commercial arrangements they govern and the contract wording itself. Consider whether any standard terms and conditions require amendment or tailoring. This may include clauses on territorial scope, pricing, tax, intellectual property, data protection, applicable law, jurisdiction and dispute resolution.

See Practice Notes:

Brexit—contract risk management [Archived]
Brexit—drafting commercial clauses [Archived]
Brexit—drafting boilerplate clauses [Archived]
What does IP completion day mean for contract clauses?

Supply of goods and services

A contract for the domestic supply of goods or services under standard terms (ie goods or services traded between two UK based entities) is...

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Web page updated on 21/05/2026

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