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 version52.242-17 Government Delay of Work. As prescribed in 42.1305(c), insert the following clause: Government Delay of Work (APR 1984) (a) If the performance of all or any part of the work of this contract is delayed or interrupted (1) by an act of the Contracting Officer in the administration of this contract that is not expressly or impliedly authorized by this contract, or (2) by a failure of the Contracting Officer to act within the time specified in this contract, or within a reasonable time if not specified, an adjustment (excluding profit) shall be made for any increase in the cost of performance of this contract caused by the delay or interruption and the contract shall be modified in writing accordingly. Adjustment shall also be made in the delivery or performance dates and any other contractual term or condition affected by the delay or interruption. However, no adjustment shall be made under this clause for any delay or interruption to the extent that performance would have been delayed or interrupted by any other cause, including the fault or negligence of the Contractor, or for which an adjustment is provided or excluded under any other term or condition of this contract. (b) A claim under this clause shall not be allowed (1) for any costs incurred more than 20 days before the Contractor shall have notified the Contracting Officer in writing of the act or failure to act involved, and (2) unless the claim, in an amount stated, is asserted in writing as soon as practicable after the termination of the delay or interruption, but not later than the day of final payment under the contract. (End of clause) [48 FR 42478, Sept. 19, 1983. Redesignated and amended at 60 FR 48251, 48256, Sept. 18, 1995; 72 FR 27389, May 15, 2007; 86 FR 61037, Nov. 4, 2021]
42.1305(c)
(c) The contracting officer shall insert the clause at 52.242-17, Government Delay of Work, in solicitations and contracts when a fixed-price contract is contemplated for supplies other than commercial or modified-commercial products. The clause use is optional when a fixed-price contract is contemplated for services, or for supplies that are commercial or modified-commercial products.
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.
FAR
FAR Prescription
42.1305(c)
(c) The contracting officer shall insert the clause at 52.242-17, Government Delay of Work, in solicitations and contracts when a fixed-price contract is contemplated for supplies other than commercial or modified-commercial products. The clause use is optional when a fixed-price contract is contemplated for services, or for supplies that are commercial or modified-commercial products.
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.
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
52.242-17 Government Delay of Work.
eCFR (codified)
RFO (implemented)
1 added, 1 removed
As prescribed in 42.1305(c), insert the following clause:
As prescribed in 42.1005(c), insert the following clause:
2 added, 4 removed
(a)
(a) If the performance of all or any part of the work of this contract is delayed or interrupted (1) by an act of the Contracting Officer in the administration of this contract that is not expressly or impliedly authorized by this contract, or (2) by a failure of the Contracting Officer to act within the time specified in this contract, or within a reasonable time if not specified, an adjustment (excluding profit) shall be made for any increase in the cost of performance of this contract caused by the delay or interruption and the contract shall be modified in writing accordingly. Adjustment shall also be made in the delivery or performance dates and any other contractual term or condition affected by the delay or interruption. However, no adjustment shall be made under this clause for any delay or interruption to the extent that performance would have been delayed or interrupted by any other cause, including the fault or negligence of the Contractor, or for which an adjustment is provided or excluded under any other term or condition of this contract.
(a)
(a) If the performance of all or any part of the work of this contract is delayed or interrupted (1)by an act of the Contracting Officer in the administration of this contract that is not expressly or impliedly authorized by this contract, or (2)by a failure of the Contracting Officer to act within the time specified in this contract, or within a reasonable time if not specified, an adjustment (excluding profit) shall be made for any increase in the cost of performance of this contract caused by the delay or interruption and the contract shall be modified in writing accordingly. Adjustment shall also be made in the delivery or performance dates and any other contractual term or condition affected by the delay or interruption. However, no adjustment shall be made under this clause for any delay or interruption to the extent that performance would have been delayed or interrupted by any other cause, including the fault or negligence of the Contractor, or for which an adjustment is provided or excluded under any other term or condition of this contract.
1 added, 66 removed
(b)
(b) A claim under this clause shall not be allowed (1) for any costs incurred more than 20 days before the Contractor shall have notified the Contracting Officer in writing of the act or failure to act involved, and (2) unless the claim, in an amount stated, is asserted in writing as soon as practicable after the termination of the delay or interruption, but not later than the day of final payment under the contract.
(b)
(b) A claim under this clause shall not be allowed-
29 added
(1)
(1)
(1) For any costs incurred more than 20 days before the Contractor shall have notified the Contracting Officer in writing of the act or failure to act involved; and
36 added
(2)
(2)
(2) Unless the claim, in an amount stated, is asserted in writing as soon as practicable after the termination of the delay or interruption, but not later than the day of final payment under the contract.
29 removed
[48 FR 42478, Sept. 19, 1983. Redesignated and amended at 60 FR 48251, 48256, Sept. 18, 1995; 72 FR 27389, May 15, 2007; 86 FR 61037, Nov. 4, 2021]
Prescription
Substantive changes. The RFO prescription differs materially from the eCFR prescription.
eCFR (codified)
RFO (implemented)
Unchanged
52.242-17 Government Delay of Work.: Prescription
eCFR (codified)
RFO (implemented)
56 added, 43 removed
(c)
(c) The contracting officer shall insert the clause at 52.242-17, Government Delay of Work, in solicitations and contracts when a fixed-price contract is contemplated for supplies other than commercial or modified-commercial products. The clause use is optional when a fixed-price contract is contemplated for services, or for supplies that are commercial or modified-commercial products.
(c)
(a) The clause at 52.242-17, Government Delay of Work, provides for the administrative settlement of contractor claims that arise from delays and interruptions in the contract work caused by the acts, or failures to act, of the contracting officer. This clause is not applicable if the contract otherwise specifically provides for an equitable adjustment because of the delay or interruption, e.g., when the Changes clause is applicable.
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