By Lars Mucklejohn The UK’s payments regulator is poised to lower the maximum amount banks and fintechs would have to reimburse fraud victims under a new regime, but stuck by its October implementation date despite mounting pressure. In their current form, new rules from the Payment Systems Regulator (PSR) are due to force banks and fintechs to reimburse victims of authorised push payment (APP) fraud up to a limit of £415,000 per claim from 7 October. The PSR announced on Wednesday that, following a review into high-value scams, it would consult on lowering the cap to £85,000 – which trade bod…