This standard specifies the codes for language proficiency and foreign language test levels. This standard applies to the description of the foreign language proficiency of relevant personnel and the information exchange between related information processing systems.
GB/T 6865-2009 history
2009GB/T 6865-2009 Codes for levels of language proficiency and foreign language test grades
1986GB/T 6865-1986 Codes for levels of mastering foreign and national languages