31 USC 3553 - Review of protests; effect on contracts pending decision

(a) Under procedures prescribed under section 3555 of this title, the Comptroller General shall decide a protest submitted to the Comptroller General by an interested party.
(b) 
(1) Within one day after the receipt of a protest, the Comptroller General shall notify the Federal agency involved of the protest.
(2) Except as provided in paragraph (3) of this subsection, a Federal agency receiving a notice of a protested procurement under paragraph (1) of this subsection shall submit to the Comptroller General a complete report (including all relevant documents) on the protested procurement
(A) within 30 days after the date of the agencys receipt of that notice;
(B) if the Comptroller General, upon a showing by the Federal agency, determines (and states the reasons in writing) that the specific circumstances of the protest require a longer period, within the longer period determined by the Comptroller General; or
(C) in a case determined by the Comptroller General to be suitable for the express option under section 3554 (a)(2) of this title, within 20 days after the date of the Federal agencys receipt of that determination.
(3) A Federal agency need not submit a report to the Comptroller General pursuant to paragraph (2) of this subsection if the agency is sooner notified by the Comptroller General that the protest concerned has been dismissed under section 3554 (a)(4) of this title.
(c) 
(1) Except as provided in paragraph (2) of this subsection, a contract may not be awarded in any procurement after the Federal agency has received notice of a protest with respect to such procurement from the Comptroller General and while the protest is pending.
(2) The head of the procuring activity responsible for award of a contract may authorize the award of the contract (notwithstanding a protest of which the Federal agency has notice under this section)
(A) upon a written finding that urgent and compelling circumstances which significantly affect interests of the United States will not permit waiting for the decision of the Comptroller General under this subchapter; and
(B) after the Comptroller General is advised of that finding.
(3) A finding may not be made under paragraph (2)(A) of this subsection unless the award of the contract is otherwise likely to occur within 30 days after the making of such finding.
(d) 
(1) A contractor awarded a Federal agency contract may, during the period described in paragraph (4), begin performance of the contract and engage in any related activities that result in obligations being incurred by the United States under the contract unless the contracting officer responsible for the award of the contract withholds authorization to proceed with performance of the contract.
(2) The contracting officer may withhold an authorization to proceed with performance of the contract during the period described in paragraph (4) if the contracting officer determines in writing that
(A) a protest is likely to be filed; and
(B) the immediate performance of the contract is not in the best interests of the United States.
(3) 
(A) If the Federal agency awarding the contract receives notice of a protest in accordance with this section during the period described in paragraph (4)
(i) the contracting officer may not authorize performance of the contract to begin while the protest is pending; or
(ii) if authorization for contract performance to proceed was not withheld in accordance with paragraph (2) before receipt of the notice, the contracting officer shall immediately direct the contractor to cease performance under the contract and to suspend any related activities that may result in additional obligations being incurred by the United States under that contract.
(B) Performance and related activities suspended pursuant to subparagraph (A)(ii) by reason of a protest may not be resumed while the protest is pending.
(C) The head of the procuring activity may authorize the performance of the contract (notwithstanding a protest of which the Federal agency has notice under this section)
(i) upon a written finding that
(I) performance of the contract is in the best interests of the United States; or
(II) urgent and compelling circumstances that significantly affect interests of the United States will not permit waiting for the decision of the Comptroller General concerning the protest; and
(ii) after the Comptroller General is notified of that finding.
(4) The period referred to in paragraphs (2) and (3)(A), with respect to a contract, is the period beginning on the date of the contract award and ending on the later of
(A) the date that is 10 days after the date of the contract award; or
(B) the date that is 5 days after the debriefing date offered to an unsuccessful offeror for any debriefing that is requested and, when requested, is required.
(e) The authority of the head of the procuring activity to make findings and to authorize the award and performance of contracts under subsections (c) and (d) of this section may not be delegated.
(f) 
(1) Within such deadlines as the Comptroller General prescribes, upon request each Federal agency shall provide to an interested party any document relevant to a protested procurement action (including the report required by subsection (b)(2) of this section) that would not give that party a competitive advantage and that the party is otherwise authorized by law to receive.
(2) 
(A) The Comptroller General may issue protective orders which establish terms, conditions, and restrictions for the provision of any document to a party under paragraph (1), that prohibit or restrict the disclosure by the party of information described in subparagraph (B) that is contained in such a document.
(B) Information referred to in subparagraph (A) is procurement sensitive information, trade secrets, or other proprietary or confidential research, development, or commercial information.
(C) A protective order under this paragraph shall not be considered to authorize the withholding of any document or information from Congress or an executive agency.
(g) If an interested party files a protest in connection with a public-private competition described in section 3551 (2)(B) of this title, a person representing a majority of the employees of the Federal agency who are engaged in the performance of the activity or function subject to the public-private competition may intervene in protest.