(a)  Administration by agreement with other agency or agenciesThe Secretary may administer any or all of the provisions of this part through Memorandum of Agreement with the head of any appropriate Federal agency.

(b)  RegulationsThe head of the agency administering this part or provisions thereof (including any agency head administering such Act 11 So in original. Probably should be “part”. or provisions through a Memorandum of Agreement under subsection (a)) may promulgate such implementing regulations as may be found necessary and appropriate. Initial implementing regulations may be interim final regulations.