UK Parliament — House of Commons

(b.) At the evening sittings of Tuesday and Wednesday notices of motion and public bills, other than government bills, shall have precedence of government business;

(b.) After a quarter-past eight on Tuesday and Wednesday notices of motion and public bills, other than government bills, shall have precedence of government business, and any government business then under consideration shall, without question put, be postponed until the business having precedence of it is disposed of;