Regulation (EEC) No 707/73 of the Council of 12 March 1973 amending Council Regulation (EEC) No 1464/72 opening, allocating and providing for the administration of the Community tariff quota of 20 000 head of heifers and cows, other than those intended for slaughter, of certain mountain breeds falling within heading No ex 01.02 A II b) 2 of the Common Customs Tariff.