Section was formerly classified to section 84 of this title.

1967—Pub. L. 90–201, §§ 3(b), 12(a), struck out “of Agriculture” after “Secretary”, and included horses, mules, or other equines in the list of animals.

Amendment by Pub. L. 90–201 effective Dec. 15, 1967, except that with respect to equines (other than horses) and their carcasses and parts thereof, meat, and meat food products thereof, amendment effective upon expiration of sixty days after Dec. 15, 1967, see section 20(b) of Pub. L. 90–201, set out as an Effective Date note under section 601 of this title.