Changes to 90/669/EEC: Council Decision of 20 December 1990 renewing the arrangements for trade between Spain and Portugal on the one hand and the overseas countries and territories (OCT) on the other
EU Decision 1990/669
No changes to 90/669/EEC: Council Decision of 20 December 1990 renewing the arrangements for trade between Spain and Portugal on the one hand and the overseas countries and territories (OCT) on the other are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.