European units of measurement directives

As of 2009, the European Union had issued two units of measurement directives. In 1971, it issued Directive 71/354/EEC, which required EU member states to standardise on the International System of Units (SI) rather than use a variety of CGS and MKS units then in use. The second, which replaced the first, was Directive 80/181/EEC, published in 1979 and later amended several times (in 1984, 1989, 2000 and 2009), which issued a number of derogations to the United Kingdom and Ireland based on the former directive.

Directive 71/354/EEC
European Union directive
TitleUnits of Measure Directive
Made byEuropean Council
Made underArt. 100
Journal referenceN C 78, 2 February 1971, P 53
History
Date made18 October 1971
Came into force18 April 1973
Other legislation
Replaced by80/181/EEC
Repealed
Directive 80/181/EEC
European Union directive
TitleUnits of Measure Directive
Made byEuropean Council
Made underArt. 100
Journal referenceL39, 15 February 1980, p. 40–50
History
Date made20 December 1979
Came into force21 December 1979
Other legislation
Amended bysee text
Current legislation
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