Statutory Instruments

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Statutory Instruments (SIs) are a form of legislation which allow the provisions of an Act of Parliament to be subsequently brought into force or altered without Parliament having to pass a new Act.

They are also referred to as secondary, delegated or subordinate legislation.

Related information

About Parliament

Secondary legislation


External links

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House of Commons Enquiry Service

Telephone: 020 7219 4272
Email: [email protected]
Text phone: Dial 18001 followed by 020 7219 4272