Changes made by Road Vehicles (Excise) (Prescribed Particulars) 1988
S.I. 1988/847
Made to Road Vehicles (Excise) (Prescribed Particulars) 1981
2 changes. All changes made by Road Vehicles (Excise) (Prescribed Particulars) 1988
From legislation.gov.uk's record of changes, the official one: see it there.