Bill starting in the House of Lords Find out how a bill becomes law in the Lords in this video on YouTube or select a stage. In this section How does a bill become a law? Bill starting in the House of Lords First reading (Lords) Second reading (Lords) Committee stage (Lords) Report stage (Lords) Third reading (Lords) First reading (Commons) Second reading (Commons) Committee stage (Commons) Report stage (Commons) Third reading (Commons) Consideration of amendments Royal Assent