The following actions are prohibited:
(1) Any person acting as a livestock dealer without a valid license issued by the commissioner;
(2) Failure to maintain records as required by the commissioner, including the names and addresses of sellers and buyers of livestock;
(3) Failure to provide access to all records required of such licensee by the commissioner;
(4) Buying or selling livestock under an assumed name or address. All livestock sales shall be evidenced by a written bona fide name and address of buyer and seller;
(5) Violation of any valid rule, regulation or statute governing livestock disease control;
(6) Failure to make payment to a buyer or seller, or making such payment with insufficient funds; and
(7) Failure to keep current bond requirements pursuant to 9 C.F.R. § 201, et seq.