commiss regul ec decemb derog regul ec lai special detail rule applic council regul eec export licenc export refund case milk milk product commiss european commun regard treati establish european commun regard council regul ec common organis market milk milk product amend regul ec articl thereof articl commiss regul ec amend regul ec fix period valid export licenc case chees licenc valid end fourth month issu bilater agreement european commun swiss confeder trade agricultur product sign luxembourg june refund chees export switzerland abolish effect date entri forc agreement ratifi articl agreement enter forc dai month final notif deposit instrument ratif approv agreement mention articl ensur complianc provis agreement respect period valid licenc concern shorten agreement enter forc licenc issu advanc fix refund switzerland destin longer valid measur provid regul accord opinion manag committe milk milk product adopt regul articl notwithstand articl regul ec export licenc advanc fix refund product fall cn code switzerland destin valid end month issu articl regul enter forc januari appli licenc issu januari onward regul bind entireti directli applic member state brussel decemb commiss franz fischler member commiss oj oj oj oj