The Treasury

Their public functions

The Secretary of State

The public functions of the Secretary of State

A Secretary of State worker

The public functions of the Secretary of State or (where different) the public functions of the Secretary of State worker

The Payment Systems Regulator

All of its functions

The FCA

All of its functions

The Bank of England

Its public functions, apart from its functions as the Prudential Regulation Authority

The European Central Bank, or the central bank of any country or territory outside the United Kingdom

(a) Its functions as a monetary authority

(b) Its functions in relation to overseeing payment systems and clearing and settlement systems

The PRA

All of its functions

A regulator worker