29 C.F.R. § 1450.4
The requirements of applicable law (31 U.S.C 3701-3719 and 5 U.S.C. 5514 as amended by Pub. L. 97-365, 96 Stat. 1749) have been implemented in Governmentwide standards:
(c) The procedures prescribed by the Office of Management and Budget in Circular A-129 of May 9, 1985.
Not every item in the above described standards has been incorporated or referenced in this regulation. To the extent, however, that circumstances arise which are not covered by the terms stated in this regulation, FMCS will proceed in any actions taken in accordance with applicable requirements found in the sources referred to in paragraphs (a), (b), and (c) of this section.