This standard stipulates the classification structure, categories and codes of occupations in my country, with corresponding instructions. This standard applies to various censuses, survey statistics, administrative management, and domestic and foreign information exchange classified by occupation.
GB/T 6565-1999 history
2015GB/T 6565-2015 Classification and codes of occupations
2009GB/T 6565-2009 Classification and codes of occupations
1999GB/T 6565-1999 Classification and codes of occupations