Documentation/UN/CEFACT Common Codes

= Popular UN/CEFACT Common Codes for Units of Measurement =

GoodRelations relies on the UN/CEFACT Common Codes for specifying the unit of measurement, in particular with gr:QuantitativeValue,

The normative list of all codes is available at
 * http://www.unece.org/fileadmin/DAM/cefact/recommendations/rec20/rec20_Rev9e_2014.xls

For your convenience, this document includes a list of the most popular codes.