4. Statutory Authority Permitting Other Than Full and Open Competition.
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[Use one of the following:
10 U.S.C. 2304(c)(1), One source or limited sources.
10 U.S.C. 2304(c)(2), Unusual and compelling urgency.
10 U.S.C. 2304(c)(3), Industrial mobilization; engineering, developmental, or research capability; or expert services.
10 U.S.C. 2304(c)(5), Authorized or required by statute.
10 U.S.C. 2304(c)(6), National Security.]