Basel 3.1 Reaches UK Banks in January 2027 on Terms the US and EU No Longer Share
The Prudential Regulation Authority has finalised its Basel 3.1 rules for a 1 January 2027 start, with the fully loaded 72.5 per cent output floor phased in by 2030 and the market-risk internal models deferred to 2028. The rulebook meant to be identical everywhere now looks distinctly British, because Washington has reopened its own version and Brussels has delayed the trading-book rules.