DEV
This clause is modified by 1 active class deviation
- 2026-O0032 — DFARS RFO Implementation (Part 31)
252.231-7000 Supplemental cost principles. As prescribed in 231.100-70, use the following clause: Supplemental Cost Principles (DEC 1991) When the allowability of costs under this contract is determined in accordance with part 31 of the Federal Acquisition Regulation (FAR), allowability shall also be determined in accordance with part 231 of the Defense FAR Supplement, in effect on the date of this contract. (End of clause)
RFO
Prescription superseded under the RFO
The prescription shown below is from the codified eCFR. Under the RFO, the prescribing section may have been revised, relocated or reserved. See the deviation memorandum for the current prescription authority.
View deviation: 2026-O0032 →R-DFARS Prescription Source
This clause is prescribed in the R-DFARS by the following deviation:
-
2026-O0032
— DFARS RFO Implementation (Part 31)
(DFARS Part 231)
Add clause 252.231-7000
231.100-70
Use the clause at 252.231-7000, Supplemental Cost Principles, in all solicitations and contracts, which are subject to the principles and procedures described in FAR Subparts 31.1, 31.2, 31.6, and 31.7. When awarding qualified contracts in conjunction with the conveyance of a utility system under 10 U.S.C. 2688, "Utility Systems: Conveyance Authority," see DoD Class Deviation 2011-O0006, Utilities Privatization -Class Deviation from FAR Part 31, dated March 31, 2011. This deviation is effective until incorporated into the DFARS or rescinded.
Prescription data sourced from eCFR as of 2026-06-10 03:16 UTC.
Cross-references within the prescription are not resolved automatically.
Regulatory Stack
The layers of regulation that govern this clause, from the FAR prescription through agency-specific supplements and any active deviations.
R-DFARS
R-DFARS Prescription
Per Deviation 2026-O0032 (DFARS Part 231)
2026-O0032: DFARS RFO Implementation (Part 31) — DFARS Part 231
DFARS
DFARS Supplement (eCFR)
⚠ May be superseded by RFO
231.100-70
Use the clause at 252.231-7000, Supplemental Cost Principles, in all solicitations and contracts, which are subject to the principles and procedures described in FAR Subparts 31.1, 31.2, 31.6, and 31.7. When awarding qualified contracts in conjunction with the conveyance of a utility system under 10 U.S.C. 2688, "Utility Systems: Conveyance Authority," see DoD Class Deviation 2011-O0006, Utilities Privatization -Class Deviation from FAR Part 31, dated March 31, 2011. This deviation is effective until incorporated into the DFARS or rescinded.
Version History
Version history is sourced from the codified eCFR. Changes published only as class deviations or by the Revolutionary FAR Overhaul do not appear here until they are incorporated into the eCFR. For RFO-driven changes see the RFO Version tab and any active deviations cited above.
No version history available from eCFR.
Active Class Deviations
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