Changes to Council Regulation (EEC) No 708/83 of 28 March 1983 laying down certain measures for the conservation and management of fishery resources applicable to vessels flying the flag of certain non-member countries in the 200-nautical-mile zone off the coast of the French department of Guyana: Council Regulation (EEC) No 853/84 of 30 March 1984 extending the validity of fishing licences granted under Regulation (EEC) No 708/83 laying down certain measures for the conservation and management of fishery resources applicable to vessels flying the flag of certain non-member countries in the 200-nautical-mile zone off the coast of the French department of Guyana