United Kingdom — House of Commons of the United Kingdom & Keir Starmer

United Kingdom — House of Commons of the United Kingdom: The House of Commons is the lower house of the UK Parliament, where Andy Burnham recently returned as an MP. It is the legislative body through which Burnham will need to enact his proposed reforms.

Keir Starmer: Keir Starmer is the outgoing Prime Minister of the United Kingdom, having announced his resignation. His policies and challenges, particularly regarding economic growth and public services, will constrain Andy Burnham's initial actions.