Changes to Wireless Telegraphy Apparatus (Receivers) (Exemption) 1989
S.I. 1989/123
Made by Wireless Telegraphy (Television Licence Fees) 1991
2 changes. All changes to Wireless Telegraphy Apparatus (Receivers) (Exemption) 1989
From legislation.gov.uk's record of changes, the official one: see it there.