This document discusses the process for passing bills in the UK Parliament. It outlines the different types of bills - public, private, and private member bills. It describes the preliminary stages a bill may go through like a green or white paper. It discusses how the Parliament Acts of 1911 and 1949 allowed legislation to pass without House of Lords approval after a period of time. It also discusses a 2005 court case that challenged whether the 1949 Act was itself lawful. Finally, it notes that the Supreme Court now takes over the role of reviewing legislation from the House of Lords.