Changes to Petroleum (Consolidation) Act 1928 (Enforcement) 1979
S.I. 1979/427
Made by Road Traffic (Carriage of Dangerous Substances in Packages etc.) 1986
2 changes. All changes to Petroleum (Consolidation) Act 1928 (Enforcement) 1979
From legislation.gov.uk's record of changes, the official one: see it there.