(a) The regulations in this part are promulgated pursuant to section 10(a) of the Archaeological Resources Protection Act of 1979 ( 16 U.S.C. 470ii ), which requires that the Secretaries of the Interior, Agriculture and Defense and the Chairman of the Board of the Tennessee Valley Authority jointly develop uniform rules and regulations for carrying out the purposes of the Act.(b) In addition to the regulations in this part, section 10(b) of the Act ( 16 U.S.C. 470ii ) provides that each Federal land manager shall promulgate such rules and regulations, consistent with the uniform rules and regulations in this part, as may be necessary for carrying out the purposes of the Act.