Similarly to the European Council the regional Heads of Government Conference started off as an informal summit of leaders and later as an independent, formal summit of leaders that was still informal with regards to the regional integration organization over which it had some amount of direction. Unlike the European Council with regards to the EEC however, the regional Heads of Government Conference pre-dates CARIFTA (and then CARICOM), having first convened in 1963 in Port-of-Spain, Trinidad & Tobago. Having expanded its membership from just the independent Commonwealth Caribbean states in 1963 to including all of the non-independent territories in 1967, it was the Heads of Government Conference at its fourth sitting in October 1967 in Bridgetown, Barbados that modified the Dickenson Bay Agreement so as to ensure the broadest possible membership, set 1 May 1968 as day CARIFTA was supposed to become operation and set forth a Resolution on Regional Integration which was incorporated as an integral part of the CARIFTA Agreement as Annex A.