Regulations last checked for updates: Feb 11, 2026

Title 48 - Federal Acquisition Regulations System last revised: Jan 28, 2026
31.110 - 31.110 Indirect cost rate certification and penalties on unallowable costs.

(a) Certain contracts require certification of the indirect cost rates proposed for final payment purposes. See 42.703-2 for administrative procedures regarding the certification provisions and the related contract clause prescription.

(b) If unallowable costs are included in final indirect cost settlement proposals, penalties may be assessed. See 42.709 for administrative procedures regarding the penalty assessment provisions and the related contract clause prescription.

[60 FR 42658, Aug. 16, 1995, as amended at 62 FR 237, Jan. 2, 1997]
authority: 40 U.S.C. 121(c); 10 U.S.C. chapter 4 and 10 U.S.C. chapter 137 legacy provisions (see 10 U.S.C. 3016); and 51 U.S.C. 20113.
source: 48 FR 42301, Sept. 19, 1983, unless otherwise noted.
cite as: 48 CFR 31.110