10 U.S.C. 2304, contracting officers shall promote and provide for full and open competition in soliciting offers and awarding Government contracts, with certain limitations
Even if full and open competition is not practicable, the CO is required to solicit offers from as many potential sources as practicable under the circumstances and prepare a justification for other than full and open competition
An approved J&A does not authorize the rejection of proposals from other offerors