Décret présidentiel numéro 316/1990 du 13/09/1990. FEK numéro 130 du 27/09/1990 Page 1119
This is a formal legal act issued by the Greek presidency in September 1990. As the specific subject matter is not detailed in the metadata, it represents a regulatory measure established under the Greek national legal framework. The decree applies to the relevant administrative or legal sectors within Greece as specified by the official government gazette (FEK).