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.
9 C.F.R. §201.67
7 U.S.C. 228 , 228b , 222 , 15 U.S.C. 46