commiss decis decemb approv mechan differenti produc heavi lamb produc light lamb spain spanish text authent eec commiss european commun regard treati establish european econom commun regard council regul eec septemb common organ market sheepmeat goatmeat articl thereof articl regul eec introduct mechan differenti produc heavi lamb produc light lamb introduct mechan prerequisit applic market year arrang provid articl regul novemb spain forward commiss draft mechan differenti produc heavi lamb produc light lamb compon mechan provid spain ensur suitabl applic provis laid articl regul eec pend applic commun measur adopt subject adopt decis articl mechan differenti produc heavi lamb produc light lamb forward spain novemb approv articl decis address spain brussel decemb commiss rai mac sharri member commiss oj