NAF Code for the activity of an enterprise

Identifier of the main activity of the self-employed worker or of the business enterprise among the activities listed in the Nomenclature of French Activities (NAF). Formerly APE code (from 1973 to 1992), since then the new NAF, this code is now composed as follows: e.g. "20.4Z" for the manufacture of wooden containers, "28.5A" for the treatment and coating of metals.