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part52.dev Federal Acquisition Clause Monitor
FAR Clause

52.252-6

Authorized Deviations in Clauses.
View on acquisition.gov · View on eCFR.gov
Effective Date
—
Active Deviations
—
Versions
3 (since 2017-01-01)
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 
52.252-6 Authorized Deviations in Clauses.

As prescribed in 52.107(f), insert the following clause in solicitations and contracts that include any FAR or supplemental clause with an authorized deviation. Whenever any FAR or supplemental clause is used with an authorized deviation, the contracting officer shall identify it by the same number, title, and date assigned to the clause when it is used without deviation, include regulation name for any supplemental clause, except that the contracting officer shall insert (DEVIATION) after the date of the clause.

Authorized Deviations in Clauses (NOV 2020)

(a) The use in this solicitation or contract of any Federal Acquisition Regulation (48 CFR Chapter 1) clause with an authorized deviation is indicated by the addition of (DEVIATION) after the date of the clause.

(b) The use in this solicitation or contract of any ____ [
insert regulation name
] (48 CFR __) clause with an authorized deviation is indicated by the addition of (DEVIATION) after the name of the regulation.

(End of clause)

[48 FR 42478, Sept. 19, 1983, as amended at 85 FR 67629, Oct. 23, 2020]
52.107(f)
(f) The contracting officer shall insert the clause at 52.252-6, Authorized Deviations in Clauses, in solicitations and contracts that include any FAR or supplemental clause with an authorized deviation. Whenever any FAR or supplemental clause is used with an authorized deviation, the contracting officer shall identify it by the same number, title, and date assigned to the clause when it is used without deviation, include regulation name for any supplemental clause, except that the contracting officer shall insert "(DEVIATION)" after the date of the clause.
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.

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FAR FAR Prescription 52.107(f)
(f) The contracting officer shall insert the clause at 52.252-6, Authorized Deviations in Clauses, in solicitations and contracts that include any FAR or supplemental clause with an authorized deviation. Whenever any FAR or supplemental clause is used with an authorized deviation, the contracting officer shall identify it by the same number, title, and date assigned to the clause when it is used without deviation, include regulation name for any supplemental clause, except that the contracting officer shall insert "(DEVIATION)" after the date of the clause.

View on acquisition.gov · View on eCFR.gov

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.

3 versions tracked from 2017-01-01 to 2020-11-23.
NOV 2020 November 23, 2020 CURRENT SUBSTANTIVE
Removed in this version
Added in this version
Unchanged
OCT 2020 (previous)
NOV 2020 (current)
1 added, 1 removed
(a)
(a) The use in this solicitation or contract of any Federal Acquisition Regulation (48 CFR Chapter 1) clause with an authorized deviation is indicated by the addition of $(DEVIATION) after the date of the clause.
(a)
(a) The use in this solicitation or contract of any Federal Acquisition Regulation (48 CFR Chapter 1) clause with an authorized deviation is indicated by the addition of (DEVIATION) after the date of the clause.
1 added, 1 removed
(b)
(b) The use in this solicitation or contract of any ____ [insert regulation name] (48 CFR __) clause with an authorized deviation is indicated by the addition of $(DEVIATION) after the name of the regulation. (End of clause)
(b)
(b) The use in this solicitation or contract of any ____ [insert regulation name] (48 CFR __) clause with an authorized deviation is indicated by the addition of (DEVIATION) after the name of the regulation. (End of clause)
OCT 2020 October 23, 2020 SUBSTANTIVE
Removed in this version
Added in this version
Unchanged
JAN 2017 (previous)
OCT 2020 (current)
2 added, 2 removed
(b)
(b) The use in this solicitation or contract of any __ [insert regulation name] (48 CFR _) clause with an authorized deviation is indicated by the addition of $(DEVIATION) after the name of the regulation. (End of clause)
(b)
(b) The use in this solicitation or contract of any ____ [insert regulation name] (48 CFR __) clause with an authorized deviation is indicated by the addition of $(DEVIATION) after the name of the regulation. (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
52.252-6 Authorized Deviations in Clauses.
eCFR (codified)
RFO (implemented)
1 added, 1 removed
As prescribed in 52.107(f), insert the following clause in solicitations and contracts that include any FAR or supplemental clause with an authorized deviation. Whenever any FAR or supplemental clause is used with an authorized deviation, the contracting officer shall identify it by the same number, title, and date assigned to the clause when it is used without deviation, include regulation name for any supplemental clause, except that the contracting officer shall insert (DEVIATION) after the date of the clause.
As prescribed in 52.107(f), insert the following clause in solicitations and contracts that include any FAR or supplemental clause with an authorized deviation. Whenever any FAR or supplemental clause is used with an authorized deviation, the contracting officer shall identify it by the same number, title, and date assigned to the clause when it is used without deviation, include regulation name for any supplemental clause, except that the contracting officer shall insert "(DEVIATION)" after the date of the clause.
1 added, 1 removed
(a)
(a) The use in this solicitation or contract of any Federal Acquisition Regulation (48 CFR Chapter 1) clause with an authorized deviation is indicated by the addition of (DEVIATION) after the date of the clause.
(a)
(a) The use in this solicitation or contract of any Federal Acquisition Regulation (48 CFR Chapter 1) clause with an authorized deviation is indicated by the addition of "(DEVIATION)" after the date of the clause.
3 added, 3 removed
(b)
(b) The use in this solicitation or contract of any ____ [insert regulation name] (48 CFR __) clause with an authorized deviation is indicated by the addition of (DEVIATION) after the name of the regulation.
(b)
(b) The use in this solicitation or contract of any _____ [insert regulation name] (48 CFR _____) clause with an authorized deviation is indicated by the addition of "(DEVIATION)" after the name of the regulation.
15 removed
[48 FR 42478, Sept. 19, 1983, as amended at 85 FR 67629, Oct. 23, 2020]

Prescription

Substantive changes. The RFO prescription differs materially from the eCFR prescription.
eCFR (codified)
RFO (implemented)
Unchanged
52.252-6 Authorized Deviations in Clauses.: Prescription
eCFR (codified)
RFO (implemented)
89 added, 62 removed
(f)
(f) The contracting officer shall insert the clause at 52.252-6, Authorized Deviations in Clauses, in solicitations and contracts that include any FAR or supplemental clause with an authorized deviation. Whenever any FAR or supplemental clause is used with an authorized deviation, the contracting officer shall identify it by the same number, title, and date assigned to the clause when it is used without deviation, include regulation name for any supplemental clause, except that the contracting officer shall insert "(DEVIATION)" after the date of the clause.
(f)
(a) Whenever any FAR provision or clause is used without deviation in a solicitation or contract, whether it is incorporated by reference or in full text, it shall be identified by number, title, and date. This identification shall also be used if the FAR provision or clause is used with an authorized deviation, except that the contracting officer shall then insert "(DEVIATION)" after the date. Solicited firms and contractors will be advised of the meaning of this insertion through the use of the (1) provision at 52.252-5, Authorized Deviations in Provisions, or (2) clause at 52.252-6, Authorized Deviations in Clauses. The above mentioned provision and clause are prescribed in 52.107(e) and (f).

Source: acquisition.gov RFO Part 52 · Prescribing Part 52

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