Guide to the Rules - Project Open Gov

The detailed guide explaining how MPs should comply with the House of Commons Code of Conduct.

Category: Parliamentary documents and sources Parliamentary procedure

Also used as: Guide to the Rules relating to the Conduct of Members, Guide to Rules, Commons Guide to the Rules, rules relating to the conduct of Members

Official website: View the Guide to the Rules

Source / explainer: Read the House of Commons Code of Conduct and Guide to the Rules

Last reviewed: 22 August 2026

The Guide to the Rules explains in more detail what MPs must do to comply with the House of Commons Code of Conduct. It covers registration of interests, declaration of interests, lobbying for reward or consideration, and outside interests.

Related terms

Declaration of InterestsA statement by an MP about a relevant interest when taking part in parliamentary proceedings or communications.House of Commons Code of ConductThe rules setting expected standards of conduct for MPs in their public role.Lobbying for Reward or ConsiderationThe Commons rules restricting MPs from using parliamentary activity to benefit outside interests that reward them.Register of Members’ Financial InterestsThe public register showing MPs’ relevant financial interests and benefits.