(a) without prejudice to paragraph 3(b), the choice of the Member State as to the intensity of controls to be carried out shall be made taking account in particular of the degree of contamination of the country of origin, the characteristics of the products in question, the results of the previous checks and the export certificates referred to in Article 3; (b) without prejudice to the further measures provided for in Articles 5 and 6 of Regulation (EEC) No 737/90, where a product originating in a third country is recorded as exceeding the maximum permitted levels, checks shall be intensified for all products of the same type originating in the third country in question.
(a) for animals for slaughter, the checks shall be carried out without prejudice to the customs rules laid down in Council Regulation (EEC) No 2913/92 and Commission Regulation (EEC) No 2454/93OJ L 302, 13.10.1992, p. 1 . and to animal health requirements. Clearance of release for free circulation shall be subject to the presentation of a certificate issued by the competent authorities responsible for controls to the effect that the meat in question has undergone the system of checks and that those checks have shown that the maximum permitted levels have not been exceeded;OJ L 253, 11.10.1993, p. 1 .(b) for products listed in Annex I, originating in third countries listed in Annex II, documentary checks shall be performed on the basis of the duly completed export certificates referred to in Article 3 accompanying each consignment. Each consignment exceeding 10 kg of fresh product or the equivalent thereof shall be subject to systematic sampling and analysis, taking appropriate account of the information contained in the export certificate. These products may only be declared for free circulation in the Member State of destination in a restricted number of customs offices. The list of customs offices shall be published in the Official Journal of the European Union , following notification by the Member States.