Changes made by Commission Regulation (EEC) No 1574/76 of 30 June 1976 deferring the final date for the granting of export refunds for raw tobacco from the 1972, 1973 and 1974 crops: Regulation (EEC) No 3249/74 of the Commission of 20 December 1974 amending Regulation (EEC) No 1220/74 fixing export refunds for raw tobacco from the 1972 and 1973 crops and shortening the period during which refunds may be granted in respect of the 1971, 1972 and 1973 crops