Changes to 91/677/Euratom: Council Decision of 19 December 1991 approving amendments to the Statutes of the Joint European Torus (JET), Joint Undertaking
EU Decision 1991/677
No changes to 91/677/Euratom: Council Decision of 19 December 1991 approving amendments to the Statutes of the Joint European Torus (JET), Joint Undertaking are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.