Changes made by Road Traffic Act 1991 (Commencement No. 4) 1992
S.I. 1992/1410
Made to Road Traffic Act 1991 (Commencement No 4 and Transitional Provisions) 1992
1 change. All changes made by Road Traffic Act 1991 (Commencement No. 4) 1992
From legislation.gov.uk's record of changes, the official one: see it there.