((a)) ** In general** Except as provided in subsection (b), and notwithstanding any other provision of law, for any procurement related to a major disaster, the Administrator may, upon such terms and conditions as the Administrator may prescribe, guarantee and enter into commitments to guarantee any surety against loss resulting from a breach of the terms of a bid bond, payment bond, performance bond, or bonds ancillary thereto, by a principal on any total work order or contract amount at the time of bond execution that does not exceed $5,000,000.
((b)) ** Increase of amount** Upon request of the head of any Federal agency other than the Administration involved in reconstruction efforts in response to a major disaster, the Administrator may guarantee and enter into a commitment to guarantee any security against loss under subsection (a) on any total work order or contract amount at the time of bond execution that does not exceed $10,000,000.
((c)) ** Limitation on use of other funds** The Administrator may carry out this section only with amounts appropriated in advance specifically to carry out this section.