To produce butteroil eligible for official certification, the butter used shall conform to the flavor requirements of U.S. Grade AA, U.S. Grade A, or U.S. Grade B, and shall have been manufactured in an approved plant.
source: 23 FR 9410, Dec. 5, 1958, unless otherwise noted. Redesignated at 42 FR 32514, June 27, 1977, and further redesignated at 46 FR 63203, Dec. 31, 1981.
cite as: 7 CFR 58.324