(a) Surety bonds required by this part may be obtained only from corporate sureties which hold certificates of authority from and are subject to the limitations prescribed by the Secretary as set forth in the current revision of Treasury Department Circular No. 570 (Companies Holding Certificates of Authority as Acceptable Sureties on Federal bonds and as Acceptable Reinsuring Companies).
(b) Treasury Department Circular No. 570 is published in the Federal Register yearly on the first working day in July. As revisions of the circular occur, the revisions are published in the Federal Register. Copies may be obtained from the Audit Staff, Financial Management Service, Department of the Treasury, Washington, DC 20226. (July 30, 1947, Ch. 390, Pub. L. 80-280, 61 Stat. 648, as amended (6 U.S.C. 6, 7))