No packer subject to the Act shall have an ownership interest in, finance, or participate in the management or operation of a market agency selling livestock on a commission basis, nor shall such a market agency permit a packer to have an ownership interest in, finance, or participate in the management or operation of such market agency. (7 U.S.C. 228, 228b, 222, 15 U.S.C. 46) [49 FR 32844, Aug. 17, 1984]