48 CFR · Federal Acquisition Regulation and Defense supplement

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The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.

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28 sections with “Alternate proposals”

  • FAR 15.209 Solicitation provisions and contract clauses.
    …hin the competitive range, the contracting officer shall use the basic provision with its Alternate I. (2) If the Government would be willing to accept alternate proposals, the contracting officer shall alter the basic clause to add a para…
  • FAR 52.236-28 Preparation of Proposals—Construction.
    …posed prices for one or more items on various bases, including— (1) Lump sum price; (2) Alternate prices; (3) Units of construction; or (4) Any combination of paragraphs (b)(1) through (b)(3) of this provision. (c) If the solicitation …
  • FAR 15.408 Solicitation provisions and contract clauses.
    …e items of significant value, the contracting officer shall use the clause with— (1) Its Alternate I, if a fixed-price incentive contract is contemplated; or (2) Its Alternate II, if a cost-plus-incentive-fee contract is contemplated. (b…
  • FAR 19.708 Contract clauses.
    …bidding rather than by negotiation, the contracting officer shall use the clause with its Alternate I; (ii) Contracting by negotiation, and subcontracting plans are required with initial proposals as provided for in 19.705-2(d), the contra…
  • FAR 52.204-8 Annual Representations and Certifications.
    …cified by the Government. (xii) 52.219-1, Small Business Program Representations (Basic, Alternates I, and II). This provision applies to solicitations when the contract is for supplies to be delivered or services to be performed in the Un…
  • FAR 52.227-11 Patent Rights—Ownership by the Contractor.
    …tute in connection with proceedings under paragraph (h) of this clause. (End of clause) Alternate I (JUN 1989). As prescribed in 27.303(b)(3), add the following sentence at the end of paragraph (d)(2) of the basic clause: The license sha…
  • FAR 52.248-1 Value Engineering.
    …rather than in a series of payments over time as future contracts are awarded. Under this alternate procedure, the future contract savings may be calculated when the VECP is accepted, on the basis of the Contracting Officer's forecast of th…
  • FAR 52.249-6 Termination (Cost-Reimbursement).
    …lating to fee are inapplicable if this contract does not include a fee. (End of clause) Alternate I (SEP 1996). If the contract is for construction, substitute the following subparagraph (h)(4) for subparagraph (h)(4) of the basic clause:…
  • FAR 15.605 Content of unsolicited proposals.
    … biographical information on the offeror's key personnel who would be involved, including alternates; and (4) Type of support needed from the agency; e.g., Government property or personnel resources. (c) Supporting information including— …
  • FAR 48.103 Processing value engineering change proposals.
    …ts or collateral savings. (3) The decision as to which of the sharing rates applies when Alternate II of the clause at 52.248-1, Value Engineering, is used. (4) The contracting officer's determination of the duration of the sharing period…
  • FAR 52.219-9 Small Business Subcontracting Plan.
    … resides with the Contracting Officer who approved the commercial plan. (End of clause) Alternate I (NOV 2016). As prescribed in 19.708(b)(1)(i), substitute the following paragraph (c)(1) for paragraph (c)(1) of the basic clause: (c)(1) …
  • DFARS 215.408 Solicitation provisions and contract clauses.
    … data will be required or when using the provision at 252.215-7008— (i) Use the basic or alternate of the provision at 252.215-7010, Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data, in lie…
  • FAR 14.201-6 Solicitation provisions.
    … which the product previously acquired or tested was produced, use the provision with its Alternate I; or (ii) If the nature of the required product necessitates limiting the grant of a waiver to a product produced at the same plant in whi…
  • FAR 44.202-2 Considerations.
    …perly justified? (6) Did the contractor adequately assess and dispose of subcontractors' alternate proposals, if offered? (7) Does the contractor have a sound basis for selecting and determining the responsibility of the particular subcon…
  • FAR 52.249-2 Termination for Convenience of the Government (Fixed-Price).
    …roductions may be maintained instead of original records and documents. (End of clause) Alternate I (SEP 1996). If the contract is for construction, substitute the following paragraph (g) for paragraph (g) of the basic clause: (g) If the…
  • FAR 52.250-3 SAFETY Act Block Designation/Certification.
    … proposed product(s) or service(s) will not be considered for award. (End of provision) Alternate I (FEB 2009). As prescribed in 50.206(b)(2), substitute the following paragraph (f): (f)(1) Offerors are authorized to submit proposals mad…
  • FAR 52.250-4 SAFETY Act Pre-qualification Designation Notice.
    … proposed product(s) or service(s) will not be considered for award. (End of provision) Alternate I (FEB 2009). As prescribed in 50.206(c)(2), substitute the following paragraph (f): (f)(1) Offerors are authorized to submit proposals mad…
  • FAR 2.101 Definitions.
    …wise indicated, including any deputy or assistant chief official of an executive agency. Alternate means a substantive variation of a basic provision or clause prescribed for use in a defined circumstance. It adds wording to, deletes wordi…
  • FAR 49.601-2 Letter notice.
    …ic notice was issued, or if no confirmation of an electronic notice was received, use the alternate notice that follows this notice. Notice of Termination to Prime Contractors [At the top of the notice, set out all special details relatin…
  • FAR 52.215-1 Instructions to Offerors—Competitive Acquisition.
    …tions, and other applicable authorities were followed by the agency. (End of provision) Alternate I (OCT 1997). As prescribed in 15.209(a)(1), substitute the following paragraph (f)(4) for paragraph (f)(4) of the basic provision: (f)(4) …
  • FAR 3.104-1 Definitions.
    …ority under 3.104-6 has been delegated by the designated agency ethics official; and (2) Alternate designated agency ethics officials described in 5 CFR 2638.202(b). Compensation means wages, salaries, honoraria, commissions, professional…
  • FAR 15.206 Amending the solicitation.
    …d the solicitation, provided this can be done without revealing to the other offerors the alternate solution proposed or any other information that is entitled to protection (see 15.207(b) and 15.306(e)). (e) If, in the judgment of the con…
  • FAR 41.501 Solicitation provision and contract clauses.
    …ate the contractor for furnishing additional facilities necessary to supply service. (Use Alternate I to the clause if a nonrefundable charge is to be paid. When conditions require the incorporation of a nonrecurring, nonrefundable service …
  • FAR 42.703-2 Certificate of indirect costs.
    … establishment of final indirect cost rates. (2) The Department of Energy may provide an alternate clause in its agency supplement for its Management and Operating contracts.
  • FAR 52.230-1 Cost Accounting Standards Notices and Certification.
    …practices affecting existing contracts and subcontracts. □ Yes □ No (End of provision) Alternate I (APR 1996). As prescribed in 30.201-3(b), add the following subparagraph (c)(5) to Part I of the basic provision: □ (5) Certificate of Di…
  • FAR 52.232-13 Notice of Progress Payments.
    …ontract, modified or altered if necessary in accordance with subsection 52.232-16 and its Alternate I of the FAR. Even though the clause is included in the contract, the clause shall be inoperative during any time the contractor's accountin…
  • FAR 52.248-3 Value Engineering—Construction.
    …d rights are defined in part 27 of the Federal Acquisition Regulation.) (End of clause) Alternate I (APR 1984). When the head of the contracting activity determines that the cost of calculating and tracking collateral savings will exceed …
  • FAR 52.249-3 Termination for Convenience of the Government (Dismantling, Demolition, or Removal of Improvements).
    …roductions may be maintained instead of original records and documents. (End of clause) Alternate I (SEP 1996). If the contract is with an agency of the U.S. Government or with State, local, or foreign governments or their agencies, and i…

FAR (chapter 1)

DFARS (chapter 2, Defense)

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Rule changes in progress: FAR, DFARS. Terms: glossary.