22. 1. 83 Official Journal of the European Communities No L 18/19 COMMISSION REGULATION (EEC) No 148/83 of 21 January 1983 introducing a system of surveillance to monitor exports of certain fishery products THE COMMISSION OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, Having regard to Council Regulation (EEC) No 3796/81 of 29 December 1981 on the common organization of the market in fishery products ('), and in particular Articles 25 (5) and 31 thereof, Whereas the refunds on fishery products are fixed by reference to the economic importance of the planned €xports ; Whereas the situation on certain markets which constitute the main outlets for whole frozen mackerel is proving to be unstable ; whereas a system of surveil- lance should be introduced so that the export trend may be monitored more closely; Whereas, to this end, provision should be made for a system of communication between the Member States and the Commission so that certain supplementary data necessary for the fixing of export refunds may be obtained at regular intervals; Whereas the measures provided for in this Regulation are in accordance with the opinion of the Management Committee for Fishery Products, HAS ADOPTED THIS REGULATION : Article 1 This Regulation lays down the rules for the introduc- tion of a surveillance system to monitor exports of whole frozen mackerel within the export refund system. Article 2 Member States shall communicate to the Commission, in respect of each month of the calendar year and not later than three weeks after the month in question, the data listed in the form in the Annex. Article 3 This Regulation shall enter into force on the third day following its publication in the Official Journal of the European Communities. It shall first apply to data for September 1982. This Regulation shall be binding in its entirety and directly applicable in all Member States. Done at Brussels, 21 January 1983. () OJ No L 379, 31. 12. 1981, p. 1. For the Commission Giorgios CONTOGEORGIS Member of the Commission