(a) For sole source procurements. SBA or the contracting officer may protest the proposed awardee's status as a certified HUBZone small business concern.

(b) For all other procurements, including Multiple Award Contracts (see § 125.1 of this chapter). SBA, the contracting officer, or any other interested party may protest the apparent successful offeror's status as a certified HUBZone small business concern.