The Alcoholic Liquors (Amendment of Enactments Relating to Strength and to Units of Measurement) Order 1979
This Order is made in conformity with Council Directives 76/765/EEC and 76/766/EEC. It amends the Alcoholic Liquor Duties Act 1979 and other enactments so as to replace, for the purposes of such enactments, the proof system of ascertaining the alcoholic strength of spirits and other liquids by the OIML (Organisation Internationale de Metrologie Legale) system of measurement by reference to percentages of alcohol by volume.