Explanatory Memorandum

By /

A document explaining the purpose and effect of a statutory instrument or similar measure.

Category: Parliamentary documents and sources

Also used as: explanatory memoranda

Source / explainer: Read the UK Parliament explainer on statutory instruments

Last reviewed: 3 August 2026

An explanatory memorandum is a document published alongside a statutory instrument or similar measure to explain what it does, why it is being made, and what its expected effects are. It is intended to help Parliament and the public understand the legal and policy background to the instrument.

Related terms

Draft Statutory InstrumentA proposed statutory instrument laid before Parliament before it is formally made.Impact AssessmentA document explaining the expected effects of a proposed policy or law.Statutory InstrumentA form of secondary legislation made under powers granted by an Act of Parliament.
Scroll to Top