Conventions refer to unwritten rules and practices that are accepted as part of the way the British government works, but which are not set out in law. Some key aspects of conventions according to the passage include:
- They form one of the five sources of the British constitution alongside statute law, common law, EU law and the royal prerogative.
- Examples provided include Dicey establishing the convention that peers who are not law lords cannot participate in House of Lords proceedings when it acts as a court of appeal.
- Another convention is that all money bills must originate in the House of Commons.
- There is also a convention that the Prime Minister must be a member of either the House of Commons or