The FCA's new transaction reporting rules are already final and take effect on 3 April 2028; CP26/34 does not reopen them. Instead, the Financial Conduct Authority (FCA) is consulting on how those rules should work in practice: draft guidance and worked examples for a new Transaction Reporting User Pack, transitional guidance for the switchover from UK MiFIR, and consequential Handbook amendments. The consultation was published on 2 October 2026 and closes on 6 November 2026.

On 3 August 2026, the Financial Conduct Authority (FCA) published Policy Statement PS26/15, Improving the UK transaction reporting regime. It confirms final rules that cut the number of transaction report fields from 65 to 52, take foreign exchange (FX) derivatives and instruments tradeable only on European Union (EU) trading venues out of scope, and shorten the default back reporting period from five years to three. The new regime comes into force on 3 April 2028, but a flex