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 version52.217-9 Option To Extend the Term of the Contract. As prescribed in 17.208(g), insert a clause substantially the same as the following: Option To Extend the Term of the Contract (MAR 2000) (a) The Government may extend the term of this contract by written notice to the Contractor within ___ [insert the period of time within which the Contracting Officer may exercise the option]; provided that the Government gives the Contractor a preliminary written notice of its intent to extend at least __ days [60 days unless a different number of days is inserted] before the contract expires. The preliminary notice does not commit the Government to an extension. (b) If the Government exercises this option, the extended contract shall be considered to include this option clause. (c) The total duration of this contract, including the exercise of any options under this clause, shall not exceed __ (months) (years). (End of clause) [54 FR 5058, Jan. 31, 1989, as amended at 64 FR 51843, Sept. 24, 1999; 65 FR 16286, Mar. 27, 2000]
17.208(g)
(g) Insert a clause substantially the same as the clause at 52.217-9, Option to Extend the Term of the Contract, in solicitations and contracts when the inclusion of an option is appropriate (see 17.200 and 17.202) and it is necessary to include in the contract any or all of the following:
(1) A requirement that the Government must give the contractor a preliminary written notice of its intent to extend the contract.
(2) A statement that an extension of the contract includes an extension of the option.
(3) A specified limitation on the total duration of the contract.
(1) A requirement that the Government must give the contractor a preliminary written notice of its intent to extend the contract.
(2) A statement that an extension of the contract includes an extension of the option.
(3) A specified limitation on the total duration of the contract.
DFARS Supplementary Guidance
217.208
Sealed bid solicitations shall not include provisions for evaluations of options unless the contracting officer determines that there is a reasonable likelihood that the options will be exercised (10 U.S.C. 3206(e)). This limitation also applies to sealed bid solicitations for the contracts excluded by FAR 17.200.
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
17.208(g)
(g) Insert a clause substantially the same as the clause at 52.217-9, Option to Extend the Term of the Contract, in solicitations and contracts when the inclusion of an option is appropriate (see 17.200 and 17.202) and it is necessary to include in the contract any or all of the following:
(1) A requirement that the Government must give the contractor a preliminary written notice of its intent to extend the contract.
(2) A statement that an extension of the contract includes an extension of the option.
(3) A specified limitation on the total duration of the contract.
(1) A requirement that the Government must give the contractor a preliminary written notice of its intent to extend the contract.
(2) A statement that an extension of the contract includes an extension of the option.
(3) A specified limitation on the total duration of the contract.
DFARS
DFARS Supplement (eCFR)
217.208
Sealed bid solicitations shall not include provisions for evaluations of options unless the contracting officer determines that there is a reasonable likelihood that the options will be exercised (10 U.S.C. 3206(e)). This limitation also applies to sealed bid solicitations for the contracts excluded by FAR 17.200.
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
SUBSTANTIVE
Removed in this version
Added in this version
Unchanged
JAN 2017 (previous)
JAN 2018 (current)
2 added, 2 removed
(a)
(a) The Government may extend the term of this contract by written notice to the Contractor within ____ [insert the period of time within which the Contracting Officer may exercise the option]; provided that the Government gives the Contractor a preliminary written notice of its intent to extend at least _ days [60 days unless a different number of days is inserted] before the contract expires. The preliminary notice does not commit the Government to an extension.
(a)
(a) The Government may extend the term of this contract by written notice to the Contractor within ___ [insert the period of time within which the Contracting Officer may exercise the option]; provided that the Government gives the Contractor a preliminary written notice of its intent to extend at least __ days [60 days unless a different number of days is inserted] before the contract expires. The preliminary notice does not commit the Government to an extension.
1 added, 1 removed
(c)
(c) The total duration of this contract, including the exercise of any options under this clause, shall not exceed _ (months) (years). (End of clause)
(c)
(c) The total duration of this contract, including the exercise of any options under this clause, shall not exceed __ (months) (years). (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
52.217-9 Option to Extend the Term of the Contract.
eCFR (codified)
RFO (implemented)
1 added, 1 removed
As prescribed in 17.208(g), insert a clause substantially the same as the following:
As prescribed in 17.203(g), insert a clause substantially the same as the following:
3 added, 5 removed
(a)
(a) The Government may extend the term of this contract by written notice to the Contractor within ___ [insert the period of time within which the Contracting Officer may exercise the option]; provided that the Government gives the Contractor a preliminary written notice of its intent to extend at least __ days [60 days unless a different number of days is inserted] before the contract expires. The preliminary notice does not commit the Government to an extension.
(a)
(a) The Government may extend the term of this contract by written notice to the Contractor within _____ [insert the period of time within which the Contracting Officer may exercise the option]; provided that the Government gives the Contractor a preliminary written notice of its intent to extend at least _____ days[60days unless a different number of days is inserted] before the contract expires. The preliminary notice does not commit the Government to an extension.
1 added, 1 removed
(c)
(c) The total duration of this contract, including the exercise of any options under this clause, shall not exceed __ (months) (years).
(c)
(c) The total duration of this contract, including the exercise of any options under this clause, shall not exceed ___________ (months) (years).
21 removed
[54 FR 5058, Jan. 31, 1989, as amended at 64 FR 51843, Sept. 24, 1999; 65 FR 16286, Mar. 27, 2000]
Prescription
Substantive changes. The RFO prescription differs materially from the eCFR prescription.
eCFR (codified)
RFO (implemented)
Unchanged
52.217-9 Option to Extend the Term of the Contract.: Prescription
eCFR (codified)
RFO (implemented)
8 added, 17 removed
(g)
(g) Insert a clause substantially the same as the clause at 52.217-9, Option to Extend the Term of the Contract, in solicitations and contracts when the inclusion of an option is appropriate (see 17.200 and 17.202) and it is necessary to include in the contract any or all of the following:
(g)
(g) Insert a provision substantially the same as the clause at 52.217-9, Option to Extend the Term of the Contract, in solicitations and contracts when adding an option is appropriate (see 17.201) and the contract needs to include any of these elements:
21 removed
(1)
(1) A requirement that the Government must give the contractor a preliminary written notice of its intent to extend the contract.
(1)
15 removed
(2)
(2) A statement that an extension of the contract includes an extension of the option.
(2)
11 removed
(3)
(3) A specified limitation on the total duration of the contract.
(3)
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