Legislation in the United Kingdom comes from a number of different sources:
- Acts of the United Kingdom Parliament
- statutory instruments (orders and regulations) made by a Minister or by the Queen in Council, generally subject either to parliamentary approval (affirmative procedure) or parliamentary dissallowance; these are made either under Acts or by the royal prerogative.
- Acts of the devolved Scottish Parliament, and statutory instruments made by the Scottish Executive (likewise subject to approval or disallowance by the Scottish Parliament)
- Statutory instruments made by the National Assembly for Wales
- Acts of the Northern Ireland Assembly, and statutory instruments made by Northern Ireland Departments
- Decisions, directives and regulations of the European Communities.
