USCG intends to award a firm-fixed price purchase order on a sole source basis. The statutory authority permitting other than full and open competition is 41 U.S.C. 1901, as implemented in FAR 13.106-... USCG intends to award a firm-fixed price purchase order on a sole source basis. The statutory authority permitting other than full and open competition is 41 U.S.C. 1901, as implemented in FAR 13.106-1 (b) (1).