CFR›Title 48›Chapter 8›48 CFR Part 843 Citation48 CFR Part 843ContainsSubpart Subpart 843.2CorpusDaily eCFRDisplayed edition2026-08-05Last updated2026-08-05 PART 843—CONTRACT MODIFICATIONS Subparts Subpart 843.2 Subpart 843.2—Change Orders Authority40 U.S.C. 121(c); 41 U.S.C. 1121(c)(3); 41 U.S.C. 1702; and 48 CFR 1.301-1.304.Source84 FR 45682, Aug. 30, 2019, unless otherwise noted.