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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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273 sections with “Alternate IV”: the first 40

  • FAR 52.212-5 Contract Terms and Conditions Required To Implement Statutes or Executive Orders—Commercial Products and Commercial Services.
    …] __(1) 52.203-6, Restrictions on Subcontractor Sales to the Government (JUN 2020), with Alternate I (NOV 2021) (41 U.S.C. 4704 and 10 U.S.C. 4655). __(2) 52.203-13, Contractor Code of Business Ethics and Conduct (NOV 2021) (41 U.S.C. 350…
  • FAR 52.105 Procedures for using alternates.
    (a) The FAR accommodates a major variation in a provision or clause by use of an alternate. The FAR prescribes alternates to a given provision or clause in the FAR subject text where the provision or clause is prescribed. The alternates to …
  • 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 16.307 Contract clauses.
    …Construction Contracts, the contracting officer shall use the clause at 52.216-7 with its Alternate I. (3) If the contract is with an educational institution, the contracting officer shall use the clause at 52.216-7 with its Alternate II. …
  • FAR 16.506 Solicitation provisions and contract clauses.
    … Government activity's internal capability to produce or perform, use the clause with its Alternate I. (3) If the contract includes subsistence for both Government use and resale in the same Schedule, and similar products may be acquired o…
  • 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 25.1001 Waiver of right to examination of records.
    …ontracts with foreign contractors. (2) The contracting officer may use 52.215-2 with its Alternate III or 52.212-5 with its Alternate I after— (i) Exhausting all reasonable efforts to include the basic clause; (ii) Considering factors su…
  • FAR 25.1101 Acquisition of supplies.
    …se outside the United States. (ii) The contracting officer shall use the clause with its Alternate I to reflect the domestic content threshold that will apply to the entire period of performance, when the senior procurement executive allow…
  • FAR 27.303 Contract clauses.
    …pplication file when a Government employee is a co-inventor. (3) Use the clause with its Alternate I if the Government must grant a foreign government a sublicense in subject inventions pursuant to a specified treaty or executive agreement…
  • FAR 27.404-3 Copyrighted works.
    … (v) Government determines that the data should be disseminated without restriction. (3) Alternate IV of the clause at 52.227-14 provides a substitute paragraph (c)(1) granting permission for contractors to assert copyright in any data fir…
  • FAR 27.409 Solicitation provisions and contract clauses
    … (see 27.408). (2) If an agency determines, in accordance with 27.404-2(b), to adopt the alternate definition of “Limited Rights Data” in paragraph (a) of the clause, use the clause with its Alternate I. (3) If a contracting officer deter…
  • FAR 32.412 Contract clause.
    …ence concerning cost disallowances, the contracting officer shall use the clause with its Alternate I. (c) If a cost-reimbursement contract is contemplated, the contracting officer shall use the clause with its Alternate II. (d) If the ag…
  • FAR 43.205 Contract clauses.
    …nd no supplies are to be furnished, the contracting officer shall use the clause with its Alternate I. (3) If the requirement is for services (other than architect-engineer services, transportation, or research and development) and supplie…
  • FAR 46.710 Contract clauses.
    The clauses and alternates prescribed in this section may be used in solicitations and contracts in which inclusion of a warranty is appropriate (see 46.709 for warranties for commercial products and commercial services). However, because o…
  • FAR 49.503 Termination for convenience of the Government and default.
    …f the contract is for construction, the contracting officer shall use the clause with its Alternate I. (3) Partial payments. If the contract is with an agency of the U.S. Government or with State, local, or foreign governments or their age…
  • FAR 52.215-20 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.
    …ting Officer and the Contractor agree to a different format and change this clause to use Alternate I. (2) As soon as practicable after agreement on price, but before contract award (except for unpriced actions such as letter contracts), t…
  • FAR 52.215-21 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data—Modifications.
    …ting Officer and the Contractor agree to a different format and change this clause to use Alternate I. (2) As soon as practicable after agreement on price, but before award (except for unpriced actions), the Contractor shall submit a Certi…
  • FAR 52.216-7 Allowable Cost and Payment.
    …ntract are contract financing payments, except interim payments if this contract contains Alternate I to the clause at 52.232-25. (3) The designated payment office will make interim payments for contract financing on the __ [Contracting Of…
  • 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 52.227-14 Rights in Data—General.
    As prescribed in 27.409(b)(1), insert the following clause with any appropriate alternates: Rights in Data—General (MAY 2014) (a) Definitions. As used in this clause— Computer database or database means a collection of recorded informati…
  • FAR 52.232-12 Advance Payments.
    …o the extent provided in this contract: List the pertinent obligations (End of clause) Alternate I (APR 1984). If the agency desires to waive the countersignature requirement because of the Contractor's financial strength, good performan…
  • FAR 52.243-1 Changes—Fixed-Price.
    …all excuse the Contractor from proceeding with the contract as changed. (End of clause) Alternate I (APR 1984). If the requirement is for services, other than architect-engineer or other professional services, and no supplies are to be fu…
  • FAR 52.243-2 Changes—Cost-Reimbursement.
    … the Limitation of Cost or Limitation of Funds clause of this contract. (End of clause) Alternate I (APR 1984). If the requirement is for services and no supplies are to be furnished, substitute the following paragraph (a) for paragraph (…
  • FAR 52.246-17 Warranty of Supplies of a Noncomplex Nature.
    …rights afforded to the Government by any other clause of this contract. (End of clause) Alternate I. [Reserved] Alternate II (APR 1984). If it is desirable to specify that necessary transportation incident to correction or replacement wi…
  • FAR 52.246-18 Warranty of Supplies of a Complex Nature.
    … rights afforded to the Government by any other clause of the contract. (End of clause) Alternate I [Reserved] Alternate II (APR 1984). If it is desirable to specify that necessary transportation incident to correction or replacement wil…
  • 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:…
  • DFARS 212.301 Solicitation provisions and contract clauses for the acquisition of commercial products and commercial services.
    …C. 4505. (1) Use the basic clause as prescribed in 204.1705(a)(i) and (ii). (2) Use the alternate I clause as prescribed in 204.1705(a)(i) and (iii). (O) Use the provision at 252.204-7024, Notice on the Use of the Supplier Performance Ri…
  • DFARS 225.1101 Acquisition of supplies.
    (1) Use the basic or the alternate of the provision at 252.225-7000, Buy American—Balance of Payments Program Certificate, instead of the provision at FAR 52.225-2, Buy American Certificate, in any solicitation, including solicitations usin…
  • DFARS 225.7503 Contract clauses.
    …tire acquisition is exempt from the Balance of Payments Program— (a) Use the basic or an alternate of the clause at 252.225-7044, Balance of Payments Program—Construction Material, in solicitations and contracts for construction to be perf…
  • DFARS 252.225-7013 Duty-Free Entry.
    … (1) Designated country end product, as defined in the Trade Agreements (either basic or alternate) clause of this contract; (2) Free Trade Agreement country end product, other than a Bahraini end product, a Moroccan end product, a Panama…
  • DFARS 252.225-7021 Trade Agreements.
    …through 2028 and 75 percent for items delivered starting in calendar year 2029, unless an alternate percentage is established for a contract: (A) Components mined, produced, or manufactured in a qualifying country. (B) Components mined, p…
  • DFARS 252.225-7035 Buy American—Free Trade Agreements—Balance of Payments Program Certificate.
    … 25.105 of the Federal Acquisition Regulation). [List as necessary] (End of provision) Alternate I. As prescribed in 225.1101(9) and (9)(ii), use the following provision, which does not use the phrases “Bahraini end product,” “Free Trade…
  • DFARS 252.225-7036 Buy American—Free Trade Agreements—Balance of Payments Program.
    …through 2028 and 75 percent for items delivered starting in calendar year 2029, unless an alternate percentage is established for a contract in accordance with Defense Federal Acquisition Regulation Supplement (DFARS) 225.101(d); or award i…
  • DFARS 252.225-7045 Balance of Payments Program—Construction Material Under Trade Agreements.
    …through 2028 and 75 percent for items delivered starting in calendar year 2029, unless an alternate percentage is established for a contract in accordance with FAR 25.201(c). Components of foreign origin of the same class or kind for which …
  • DFARS 252.237-7016 Delivery tickets.
    … include one copy of each delivery ticket with its invoice for payment. (End of clause) Alternate I. As prescribed in 237.7101(e) and (e)(2), use the following clause, which includes paragraphs (c), (d), and (e) not included in the basic …
  • FAR 14.404-2 Rejection of individual bids.
    …cable specifications shall be rejected unless the invitation authorized the submission of alternate bids and the supplies offered as alternates meet the requirements specified in the invitation. (c) Any bid that fails to conform to the del…
  • FAR 32.503-9 Liquidation rates—alternate method.
    …ontract performance unless the contracting officer adjusts the liquidation rate under the alternate method in this 32.503-9. The objective of the alternate liquidation rate method is to permit the contractor to retain the earned profit elem…
  • FAR 52.211-8 Time of Delivery.
    …delivery date, the offer will be considered nonresponsive and rejected. (End of clause) Alternate I (APR 1984). If the delivery schedule is expressed in terms of specific calendar dates or specific periods and is based on an assumed date …
  • FAR 52.211-9 Desired and Required Time of Delivery.
    …delivery date, the offer will be considered nonresponsive and rejected. (End of clause) Alternate I (APR 1984). If the delivery schedule is expressed in terms of specific calendar dates or specific periods and is based on an assumed date …
  • FAR 52.216-21 Requirements.
    …ired to make any deliveries under this contract after __ [insert date]. (End of clause) Alternate I (APR 1984). If the requirements contract is for nonpersonal services and related supplies and covers estimated requirements that exceed a …

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.