In 2001, the EU directive 80/181/EEC stated that supplementary units (imperial units alongside metric including labelling on packages) would become illegal from the beginning of 2010.
2001年，欧盟的80/181/EEC指令（英语：Units of Measure Directive）宣称附属单位（随公制单位一同印制在包装标签上的英制单位）将于2010年起不合法。