commiss opinion april address german govern draft regul amend implement regul august eec letter januari februari german govern commiss draft text regul amend implement regul august explanatori memorandum german draft regul util power confer council regul eec februari grant exempt exempt respect break drive exempt respect transport harvest produc exempt respect transport milk commiss find draft regul accord regul eec commiss deliv favour opinion draft regul brussel april commiss presid françoi xavier ortoli oj