164 Official Journal of the European Communities . 1977/64 OFFICIAL JOURNAL OF THE EUROPEAN COMMUNITIES 29.7.64 COUNCIL DIRECTIVE "~ of 26 June 1964 on animal health problems affecting intra-Community trade in bovine animals and swine (64/432/EEC) THE COUNCIL OF THE EUROPEAN ECONOMIC COMMUNITY, Having regard to the Treaty establishing the European Economic Community, and in particular, Articles 43 and 100 thereof; i Having regard to the proposal from the Commission; Having regard t6 the Opinion of the European Parliament?; Having regard to the Opinion of the Economic and Social Committee?; Whereas Council Regulation No 20 on the progressive establishment of a common organisation of the market in pigmeat’ is already in force and a similar regulation is to be adopted for beef and veal and whereas these regulations also concern trade in live animals; Whereas Regulation No 20 substitutes for the numerous traditional means of protection at the frontier a single system designed in particular to facilitate intra-Community trade; whereas the regu- lation to be adopted for beef and veal is also designed to eliminate obstacles to such trade; ' Whereas, so long as intra-Community trade in bovine animals and swine is hindered by differences between the health requirements of Member States, the implementation of the above-mentioned regulations will not have the desired effect; Whereas, to eliminate those differences, measures must be taken within the framework of the common 1 OJ No 61, 19.4.1963, p. 1254/63. 2 O] No 121, 29.7.1964, p. 2009/64. 3 O] No 30, 20.4.1962, p. 945/62. agricultural policy and in line with regulations already adopted or in preparation on the progressive establishment of a common organisation of markets; whereas the animal health provisions of Member States must therefore be approximated; * Whereas the right of Member States under Article 36 of the Treaty to continue to apply prohibitions or restrictions on imports, exports or goods in transit justified on grounds of the protection of health and life of humans and animals nevertheless does not exempt them from the obligation to approximate the provisions on which' those prohibitions and restrictions are based, in so far as the differences between those provisions hinder the implementation and functioning of the common agricultural policy; Whereas, in the context of such approximation, the exporting country must be required to ensure that bovine animals and swine for breeding, production or slaughter intended for intra-Community trade, the places from which those animals come and are “shipped and the means of transport used satisfy certain animal health requirements so as to ensure that the animals are not a source of contagious or infectious disease; Whereas, so that Member States may be sure that these requirements are satisfied, provision must be made for the issue by an official veterinarian of a " health certificate which will accompany the animals to their destination; Whereas Member States must have the right to prohibit the introduction into their territory of bovine . animals and swine if they are found to be suffering or are suspected of suffering from a contagious or infectious disease, if they may spread such disease without actually suffering from it or if they do not comply with Community animal health provisions; Whereas there is no reason to allow Member States to prohibit the introduction of bovine animals and -