RFO
RFO Version Available
The Revolutionary FAR Overhaul has published a revised version of this clause. The RFO version supersedes the eCFR text below for contracts using the RFO model; see the RFO deviation for applicability.
View RFO version
DEV
This clause is modified by 1 active class deviation
- 2026-O0011 — DFARS RFO Implementation (Part 34)
52.234-4 Earned Value Management System. As prescribed in 34.203(c), insert the following clause: Earned Value Management System (NOV 2016) (a) The Contractor shall use an earned value management system (EVMS) that has been determined by the Cognizant Federal Agency (CFA) to be compliant with the guidelines in Electronic Industries Alliance Standard 748 (EIA-748) (current version at the time of award) to manage this contract. If the Contractor's current EVMS has not been determined compliant at the time of award, see paragraph (b) of this clause. The Contractor shall submit reports in accordance with the requirements of this contract. (b) If, at the time of award, the Contractor's EVM System has not been determined by the CFA as complying with EVMS guidelines or the Contractor does not have an existing cost/schedule control system that is compliant with the guidelines in EIA-748 (current version at time of award), the Contractor shall— (1) Apply the current system to the contract; and (2) Take necessary actions to meet the milestones in the Contractor's EVMS plan approved by the Contracting Officer. (c) The Government will conduct an Integrated Baseline Review (IBR). If a pre-award IBR has not been conducted, a post award IBR shall be conducted as early as practicable after contract award. (d) The Contracting Officer may require an IBR at— (1) Exercise of significant options; or (2) Incorporation of major modifications. (e) Unless a waiver is granted by the CFA, Contractor proposed EVMS changes require approval of the CFA prior to implementation. The CFA will advise the Contractor of the acceptability of such changes within 30 calendar days after receipt of the notice of proposed changes from the Contractor. If the advance approval requirements are waived by the CFA, the Contractor shall disclose EVMS changes to the CFA at least 14 calendar days prior to the effective date of implementation. (f) The Contractor shall provide access to all pertinent records and data requested by the Contracting Officer or an authorized representative as necessary to permit Government surveillance to ensure that the EVMS conforms, and continues to conform, with the performance criteria referenced in paragraph (a) of this clause. (g) The Contractor shall require the subcontractors specified below to comply with the requirements of this clause: [ Insert list of applicable subcontractors. ] (End of clause) [71 FR 38246, July 5, 2006, as amended at 79 FR 24224, Apr. 29, 2014; 81 FR 83104, Nov. 18, 2016]
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-O0011 →R-DFARS Prescription Source
This clause is prescribed in the R-DFARS by the following deviation:
-
2026-O0011
— DFARS RFO Implementation (Part 34)
(DFARS Part 234)
Add clause 52.234-4
34.203(c)
(c) The contracting officer shall insert a clause that is substantially the same as the clause at FAR 52.234-4, Earned Value Management System, in solicitations and contracts that require a contractor to use an EVMS.
DFARS Supplementary Guidance
234.203
For cost or incentive contracts valued at $20,000,000 or more, and for other contracts for which EVMS will be applied in accordance with 234.201 (1)(iii) and (iv)--
(1) Use the provision at 252.234-7001, Notice of Earned Value Management System, instead of the provisions at FAR 52.234-2, Notice of Earned Value Management System - Pre-Award IBR, and FAR 52.234-3, Notice of Earned Value Management System - Post-Award IBR, in the solicitation; and
(2) Use the clause at 252.234-7002, Earned Value Management System, instead of the clause at FAR 52.234-4, Earned Value Management System, in the solicitation and contract.
(1) Use the provision at 252.234-7001, Notice of Earned Value Management System, instead of the provisions at FAR 52.234-2, Notice of Earned Value Management System - Pre-Award IBR, and FAR 52.234-3, Notice of Earned Value Management System - Post-Award IBR, in the solicitation; and
(2) Use the clause at 252.234-7002, Earned Value Management System, instead of the clause at FAR 52.234-4, Earned Value Management System, in the solicitation and contract.
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.
RFO
RFO Version
Overhauled clause text
The Revolutionary FAR Overhaul publishes a revised version of this clause. See the RFO Version tab for the controlling authority under the RFO model.
R-DFARS
R-DFARS Prescription
Per Deviation 2026-O0011 (DFARS Part 234)
2026-O0011: DFARS RFO Implementation (Part 34) — DFARS Part 234
FAR
FAR Prescription
⚠ May be superseded by RFO
34.203(c)
(c) The contracting officer shall insert a clause that is substantially the same as the clause at FAR 52.234-4, Earned Value Management System, in solicitations and contracts that require a contractor to use an EVMS.
DFARS
DFARS Supplement (eCFR)
⚠ May be superseded by RFO
234.203
For cost or incentive contracts valued at $20,000,000 or more, and for other contracts for which EVMS will be applied in accordance with 234.201 (1)(iii) and (iv)--
(1) Use the provision at 252.234-7001, Notice of Earned Value Management System, instead of the provisions at FAR 52.234-2, Notice of Earned Value Management System - Pre-Award IBR, and FAR 52.234-3, Notice of Earned Value Management System - Post-Award IBR, in the solicitation; and
(2) Use the clause at 252.234-7002, Earned Value Management System, instead of the clause at FAR 52.234-4, Earned Value Management System, in the solicitation and contract.
(1) Use the provision at 252.234-7001, Notice of Earned Value Management System, instead of the provisions at FAR 52.234-2, Notice of Earned Value Management System - Pre-Award IBR, and FAR 52.234-3, Notice of Earned Value Management System - Post-Award IBR, in the solicitation; and
(2) Use the clause at 252.234-7002, Earned Value Management System, instead of the clause at FAR 52.234-4, Earned Value Management System, in the solicitation and contract.
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.
2 versions tracked from 2017-01-01 to 2018-01-24.
JAN 2018
January 24, 2018
CURRENT
Removed in this version
Added in this version
Unchanged
JAN 2017 (previous)
JAN 2018 (current)
3 removed
(g)
(g) The Contractor shall require the subcontractors specified below to comply with the requirements of this clause: [Insert list of applicable subcontractors.] __________ __________ __________ (End of clause)
(g)
(g) The Contractor shall require the subcontractors specified below to comply with the requirements of this clause: [Insert list of applicable subcontractors.] (End of clause)
JAN 2017
January 1, 2017
SUBSTANTIVE
Earliest version available from the eCFR
RFO Version
Comparison of the codified eCFR text against the Revolutionary FAR Overhaul revision. Highlights show additions (green) and deletions (red, struck through).
Clause Text
Substantive changes. The RFO version differs materially from the eCFR text.
eCFR (codified)
RFO (implemented)
Unchanged
52.234-4 Earned Value Management System.
eCFR (codified)
RFO (implemented)
1 added, 1 removed
As prescribed in 34.203(c), insert the following clause:
As prescribed in 34.203, insert the following clause:
2 added, 2 removed
Earned Value Management System (NOV 2016)
Earned Value Management System (Deviation Date)
6 added, 8 removed
(a)
(a) The Contractor shall use an earned value management system (EVMS) that has been determined by the Cognizant Federal Agency (CFA) to be compliant with the guidelines in Electronic Industries Alliance Standard 748 (EIA-748) (current version at the time of award) to manage this contract. If the Contractor's current EVMS has not been determined compliant at the time of award, see paragraph (b) of this clause. The Contractor shall submit reports in accordance with the requirements of this contract.
(a)
(a) The Contractor must use an earned value management system (EVMS) that has been determined by the Cognizant Federal Agency (CFA) to be compliant with the guidelines in Electronic Industries Alliance Standard 748 (EIA-748) (current version at the time of award) to manage this contract. If the Contractor's current EVMS has not been determined compliant at the time of award, see paragraph (b) of this clause. The Contractor must submit EVMS reports as required by the contract.
14 added, 23 removed
(b)
(b) If, at the time of award, the Contractor's EVM System has not been determined by the CFA as complying with EVMS guidelines or the Contractor does not have an existing cost/schedule control system that is compliant with the guidelines in EIA-748 (current version at time of award), the Contractor shall—
(b)
(b) If the Contractor's EVM System is not compliant with the requirements in paragraph (a) of this clause, or the Contractor’s existing cost/schedule control system is not compliant with the guidelines in EIA-748 (current version at time of award), the Contractor must—
2 added, 6 removed
(2)
(2) Take necessary actions to meet the milestones in the Contractor's EVMS plan approved by the Contracting Officer.
(2)
(2) Take necessary actions to meet the milestones in the Contractor's approved EVMS plan.
11 added, 21 removed
(c)
(c) The Government will conduct an Integrated Baseline Review (IBR). If a pre-award IBR has not been conducted, a post award IBR shall be conducted as early as practicable after contract award.
(c)
(c) When an EVMS is required, the Government will conduct an Integrated Baseline Review (IBR). Agencies may require an additional IBR at—
9 removed
(d)
(d) The Contracting Officer may require an IBR at—
(d)
7 added, 70 removed
(e)
(e) Unless a waiver is granted by the CFA, Contractor proposed EVMS changes require approval of the CFA prior to implementation. The CFA will advise the Contractor of the acceptability of such changes within 30 calendar days after receipt of the notice of proposed changes from the Contractor. If the advance approval requirements are waived by the CFA, the Contractor shall disclose EVMS changes to the CFA at least 14 calendar days prior to the effective date of implementation.
(e)
(d) Unless the CFA grants a waiver, Contractor-proposed EVMS changes require CFA approval prior to implementation.
17 added, 43 removed
(f)
(f) The Contractor shall provide access to all pertinent records and data requested by the Contracting Officer or an authorized representative as necessary to permit Government surveillance to ensure that the EVMS conforms, and continues to conform, with the performance criteria referenced in paragraph (a) of this clause.
(f)
(1) The CFA will notify the Contractor of its acceptance or rejection of the proposed EVMS changes within 30 days of receipt.
23 added, 16 removed
(g)
(g) The Contractor shall require the subcontractors specified below to comply with the requirements of this clause: [Insert list of applicable subcontractors.]
(g)
(2) If the CFA waives the advance approval requirements, the Contractor must disclose EVMS changes to the CFA at least 14 days prior to the effective date of implementation.
39 added
(e)
(e)
(e) The Contractor must provide the Government access to all pertinent records and data necessary to conduct surveillance and validate that the EVMS complies with the requirements in paragraph (a) of this clause for the duration of the contract.
22 added
(f)
(f)
(f) The Contractor must require the subcontractors specified below to comply with the requirements of this clause: [Insert list of applicable subcontractors.]
21 removed
[71 FR 38246, July 5, 2006, as amended at 79 FR 24224, Apr. 29, 2014; 81 FR 83104, Nov. 18, 2016]
Applied to DoD contracts via
Class Deviation 2026-O0011 (effective 2026-02-01)
.
Prescription
Substantive changes. The RFO prescription differs materially from the eCFR prescription.
eCFR (codified)
RFO (implemented)
Unchanged
52.234-4 Earned Value Management System.: Prescription
eCFR (codified)
RFO (implemented)
5 removed
(c)
(c) The contracting officer shall insert a clause that is substantially the same as the clause at FAR 52.234-4, Earned Value Management System, in solicitations and contracts that require a contractor to use an EVMS.
(c)
Insert a clause that is substantially the same as the clause at FAR 52.234-4, Earned Value Management System, in solicitations and contracts that require a contractor to use an EVMS.
Active Class Deviations
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