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How Do FAR Options Work and When Can a Modification Add Them After Award?

FAR 17.207 requires written determinations before option exercise, and AFARS 5117.290 requires prior approval before adding option clauses or quantities after award.

intermediate2 min readStep-by-step guide
How Do FAR Options Work and When Can a Modification Add Them After Award editorial illustration

Source & Authority Information

Published:
Substantively updated:
Information as of: 2026-10-29
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How do FAR options work before they are exercised?

FAR 17.207 says a contracting officer may exercise an option only by written notice within the time period specified in the contract and only after making the required determinations: funds are available, the option meets an existing Government need, the option is the most advantageous method after considering price and other factors, the option was synopsized unless an exemption applies, the contractor has no active exclusion record in SAM, past performance has been considered, and current performance has been acceptable. FAR 17.207 also requires the option to have been evaluated as part of the initial competition and to be exercisable at an amount specified in or reasonably determinable from the basic contract, and the notice exercising the option must cite the option clause as authority. AFARS 5117.290 adds that contracting officers shall obtain prior approval before modifying a contract to incorporate option clauses or additional option quantities after award, and FAR Part 43 says only contracting officers acting within their authority may execute contract modifications. For GSA procurements, GSAM 552.217-70 says formula-based option year pricing is automatically considered when evaluating the base-year price, and that evaluation does not obligate the Government to exercise the options.

Process

  1. 1
    Check the option terms in the contract

    FAR 17.207 requires the option to be within the contract’s stated exercise period and exercisable at an amount specified in or reasonably determinable from the basic contract.

  2. 2
    Make the required written determinations

    Before exercise, the contracting officer must determine that funds are available, the need still exists, and the exercise is the most advantageous method, along with the other FAR 17.207 findings.

  3. 3
    Issue the option notice in writing

    FAR 17.207 requires written notice to the contractor, and the notice or modification must cite the option clause as authority.

  4. 4
    Get prior approval before adding options after award

    AFARS 5117.290 requires prior approval before modifying a contract to add option clauses or additional option quantities after award.

Important Note

GSAM 552.217-70 treats formula-based option year pricing as part of the base-year evaluation for GSA offers, but that evaluation does not obligate the Government to exercise the option(s).

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