Commission Regulation (EEC) No 499/83 of 2 March 1983 amending Regulations (EEC) No 2029/82 and (EEC) No 3383/82 laying down detailed rules for implementing the import arrangements applicable to products falling within subheading 07.06 A of the Common Customs Tariff, originating in Thailand and exported from that country in 1982 and 1983