4 CFR 21.13: Nonstatutory protests.

(a) GAO will consider protests concerning awards of subcontracts by or for a Federal agency, sales by a Federal agency, or procurements by agencies of the government other than Federal agencies as defined in § 21.0(c) if the agency involved has agreed in writing to have protests decided by GAO.

(b) The provisions of this part shall apply to nonstatutory protests except for:

(1) Section 21.8(d) and (e) pertaining to recommendations for the payment of costs; and

(2) Section 21.6 pertaining to the withholding of award and the suspension of contract performance pursuant to 31 U.S.C. 3553(c) and (d).