After returning to the backbenches, he became Chairman of the Conservative Backbench Constitutional Affairs Committee. The 1922 Committee consists of backbench MPs, meeting weekly while parliament is sitting. The bill was proposed by opposition and backbench MPs after Boris Johnson became Prime Minister. Javid returned to becoming a backbench MP after resigning as Chancellor. However, threatened by backbench opposition, Balfour rescinded the agreement and demanded party unity. After resigning as party leader, Kennedy remained in office as a backbench MP. Invitations to join the newly reformed group were extended to backbench Labour MPs only. Richardson sat out the remainder of this term of parliament on the backbench. There are 20 executive members of the Committee, agreed by consensus among backbench MPs. Buckland was elected Joint Secretary of the influential 1922 Backbench Committee. By resigning as Foreign Secretary, Johnson returned to the role of a backbench MP. Many backbench Labour MPs advanced the claims of Michael Martin. The bill was met with opposition on both sides of the House and backbench rebellion. Spears became a member of the so-called 'Eden Group' of anti-appeasement backbench MPs. Following the election outcome, Weatherill resigned as state Labor leader and returned to the backbench.