Changes made by Commission Decision of 26 July 1991 defining the territory of Member States for the purpose of the implementation of Article 1 of Council Directive 89/130/EEC, Euratom on the harmonization of the compilation of gross national product at market prices (91/450/EEC, Euratom)
EU Decision 1991/450
No changes made by Commission Decision of 26 July 1991 defining the territory of Member States for the purpose of the implementation of Article 1 of Council Directive 89/130/EEC, Euratom on the harmonization of the compilation of gross national product at market prices (91/450/EEC, Euratom) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.