Changes made by Wireless Telegraphy (Broadcast Licence Charges and Exemption) 1990
S.I. 1990/460
Made to Wireless Telegraphy (Broadcast Licence Charges and Exemption) 1984
2 changes. All changes made by Wireless Telegraphy (Broadcast Licence Charges and Exemption) 1990
From legislation.gov.uk's record of changes, the official one: see it there.