http://www.legislation.gov.uk/id/ukpga/1997/5

http://www.legislation.gov.uk/ukpga/1997/5/section/21

Firearms (Amendment) Act 1997

An Act to amend the Firearms Acts 1968 to 1992; to make provision in relation to the licensing and regulation of pistol clubs; to make further provision for regulating the possession of, and transactions relating to, firearms and ammunition; and for connected purposes.