Statutory instrument (UK)

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Delegated legislation United Kingdom statutory instruments 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Statutory rules and orders United Kingdom 1894–1947 Regulatory reform order (List) Ministerial orders
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A statutory instrument (SI) is the principal form in which delegated legislation is made in Great Britain.

Statutory instruments are governed by the Statutory Instruments Act 1946.^[1] They replaced statutory rules and orders, made under the Rules Publication Act 1893, in 1948.

Most delegated legislation in Great Britain is made in the form of a statutory instrument. (In Northern Ireland, delegated legislation is organised into statutory rules, rather than statutory instruments.) The advent of devolution in 1999 resulted in many powers to make statutory instruments being transferred to the Scottish and Welsh governments, and oversight to the Scottish Parliament and Welsh Parliament. Instruments made by the Scottish Government are now classed separately as Scottish statutory instruments.