In Plain English
AI-generatedThe Taxation (Post-transition Period) Act 2020 is a UK law that set out how tax rules would operate after the Brexit transition period. It passed through Parliament, amendments were debated and then defeated, and it has now received Royal Assent and become law.
Key Points
- The Act has received Royal Assent and is now law.
- Two amendments were debated in Parliament and both were defeated (Committee of the Whole House: Amendment 1; Report Stage: New Clause 3).
- The amendments were opposed by the governing party (Conservatives) and supported by opposition and other parties.
- There was cross-party support for the bill from Labour, Liberal Democrats, SNP and several other groups.
- The legislation concerns taxation rules in the post-transition period and is part of managing the economy after Brexit.
Progress
The bill has completed its passage through Parliament and received Royal Assent, so it is now law.
Voting
In two December 2020 votes, the amendments were defeated: Amendment 1 passed 257 Aye to 350 No, and New Clause 3 passed 263 Aye to 364 No. The Conservative MPs largely opposed the amendments, while opposition parties supported them.
Who is affected?
Individual taxpayersBusinesses and employersCross-border traders (importers/exporters)Tax advisers and accountantsFinancial services sector (banks, insurers, etc)Public sector bodies implementing tax rules
Generated 21 February 2026