An offeror protesting an award decision is required to file the protest with the Contracting Officer within five (5) calendar days of when the protester knew or should have known of the facts and circumstances upon which the protest is based. Only bidders/proposers may file a protest.
Protests against issues other than an award decision, including protests directed to the terms, conditions, or form of a proposed procurement action, shall be received by the Authority through delivery of the written protest to the Contracting Officer not later than ten (10) calendar days prior to the date established for opening of bids or receipt of proposals, except that an initial protest that arises under an amendment to a solicitation or invitation to bid shall be filed up to four (4) calendar days after the date the amendment was issued but in no case after the time established for opening of bids or receipt of proposals. Such protests may be filed by any potential offeror.
D.C. Mun. Regs. tit. 21, r. 21-5351