Changes made by 2007/318/EC: Council Decision of 23 April 2007 on the signing and provisional application of a Protocol to the Partnership and Cooperation Agreement, establishing a partnership between the European Communities and their Member States, of the one part, and the Russian Federation, of the other part, to take account of the accession of the Republic of Bulgaria and Romania to the European Union
EU Decision 2007/318
No changes made by 2007/318/EC: Council Decision of 23 April 2007 on the signing and provisional application of a Protocol to the Partnership and Cooperation Agreement, establishing a partnership between the European Communities and their Member States, of the one part, and the Russian Federation, of the other part, to take account of the accession of the Republic of Bulgaria and Romania to the European Union are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.