Changes made by Goods Vehicles (Operators' Licences, Qualifications and Fees) 1990
S.I. 1990/2640
Made to Goods Vehicles (Operators' Licences, Qualifications and Fees) 1984
3 changes. All changes made by Goods Vehicles (Operators' Licences, Qualifications and Fees) 1990
From legislation.gov.uk's record of changes, the official one: see it there.