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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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63 sections with “Letter of Agreement”: the first 40

  • FAR 32.406 Letters of credit.
    …nt of the Treasury (Treasury) prescribes regulations and instructions covering the use of letters of credit for advance payments under contracts. See Treasury Department Circular 1075 (31 CFR part 205), and the implementing instructions in …
  • FAR 2.101 Definitions.
    …ntracts include (but are not limited to) awards and notices of awards; job orders or task letters issued under basic ordering agreements; letter contracts; orders, such as purchase orders, under which the contract becomes effective by writt…
  • FAR 16.603-2 Application.
    (a) A letter contract may be used when (1) the Government's interests demand that the contractor be given a binding commitment so that work can start immediately and (2) negotiating a definitive contract is not possible in sufficient time t…
  • FAR 52.216-25 Contract Definitization.
    …uses required by the Federal Acquisition Regulation (FAR) on the date of execution of the letter contract, (2) all clauses required by law on the date of execution of the definitive contract, and (3) any other mutually agreeable clauses, te…
  • DFARS 204.1603 Procedures.
    …ly alpha-numeric characters, as prescribed in FAR 4.1603 and this subpart. Do not use the letter I or O in any part of the PIID. (3) Position 9. (A) DoD will use three of the letters reserved for departmental or agency use in FAR 4.1603(a…
  • DFARS 252.225-7040 Contractor Personnel Supporting U.S. Armed Forces Deployed Outside the United States.
    …y U.S. Armed Forces in applicable operations and have been afforded CAAF status through a letter of authorization. CAAF generally include all U.S. citizen and third-country national employees not normally residing within the operational are…
  • DFARS 252.229-7004 Status of contractors as a direct contractor (Spain).
    …r disposed of, in accordance with Spanish law, the Contractor shall obtain a written bank letter of guaranty payable to the Treasurer of the United States, or such other authority as may be designated by the Contracting Officer, in the amou…
  • FAR 4.1603 Procedures.
    …) Position 9. Indicate the type of instrument by entering one of the following upper case letters in position nine. Departments and independent agencies may assign those letters identified for department use below in accordance with their a…
  • FAR 6.302-4 International agreement.
    …t be obtained from a particular firm as specified in official written direction such as a Letter of Offer and Acceptance; or (2) When a contemplated acquisition is for services to be performed, or supplies to be used, in the sovereign terr…
  • FAR 15.609 Limited use of data.
    …d with a legend different from that provided in paragraph (a) of this section. The return letter will state that the proposal cannot be considered because it is impracticable for the Government to comply with the legend and that the agency …
  • FAR 19.804-3 SBA acceptance.
    (a) Upon receipt of the contracting office's offering letter, SBA will determine whether to accept the requirement for the 8(a) program. SBA's decision whether to accept the requirement will be transmitted to the contracting office in writi…
  • FAR 19.804-5 Basic ordering agreements and blanket purchase agreements.
    (a) The contracting office shall submit an offering letter for, and SBA must accept, each order under a basic ordering agreement (BOA) or a blanket purchase agreement (BPA) issued under part 13 (see 13.303), in addition to the agency offeri…
  • FAR 43.103 Types of contract modifications.
    …ated equitable adjustments resulting from the issuance of a change order; (2) Definitize letter contracts; and (3) Reflect other agreements of the parties modifying the terms of contracts. (b) Unilateral. A unilateral modification is a c…
  • FAR 49.105 Duties of termination contracting officer after issuance of notice of termination.
    …ize impact upon employees affected adversely by the termination (see paragraph (g) of the letter notice in 49.601-2); and (15) Obligation of the contractor to furnish accurate, complete, and current cost or pricing data, and to certify to …
  • FAR 49.601-2 Letter notice.
    The following letter notice of termination is suggested for use if a contract for supplies is being terminated for convenience. With appropriate modifications, it may be used in terminating contracts for other than supplies and in terminati…
  • FAR 52.207-1 Notice of Standard Competition.
    …e Contracting Officer shall establish, respectively, either a Most Efficient Organization letter of obligation or a fee-for-service agreement, as those terms are defined in the Circular. (d) As provided in the Circular, directly interested…
  • FAR 52.207-2 Notice of Streamlined Competition.
    …cy or public reimbursable performance, the Agency shall establish, respectively, either a letter of obligation or a fee-for-service agreement, as those terms are defined in the Circular. (End of provision)
  • FAR 52.212-1 Instructions to Offerors—Commercial Products and Commercial Services.
    …re the exact time specified in this solicitation. Offers may be submitted on the SF 1449, letterhead stationery, or as otherwise specified in the solicitation. As a minimum, offers must show— (1) The solicitation number; (2) The time spec…
  • FAR 52.230-6 Administration of Cost Accounting Standards.
    …-2, 52.230-3, 52.230-4, or 52.230-5— (1) So state in the body of the subcontract, in the letter of award, or in both (do not use self-deleting clauses); (2) Include the substance of this clause in all negotiated subcontracts; and (3) Wit…
  • FAR 52.232-12 Advance Payments.
    …, ____ [Insert the name of the office designated under agency procedures], or (2) under a letter of credit. The amount of the invoice or voucher submitted plus all advance payments previously approved shall not exceed $___ If a letter of cr…
  • DFARS 206.302-4 International agreement.
    …t that describes the terms of an agreement or treaty or the written directions, such as a Letter of Offer and Acceptance, that have the effect of requiring the use of other than competitive procedures for the acquisition.
  • DFARS 249.7000 Terminated contracts with Canadian Commercial Corporation.
    …Terminate contracts with the Canadian Commercial Corporation in accordance with— (1) The Letter of Agreement (LOA) between the Department of Defence Production (Canada) and the U.S. DoD, “Canadian Agreement” (for a copy of the LOA or for q…
  • DFARS 252.227-7014 Rights in Other Than Commercial Computer Software and Other Than Commercial Computer Software Documentation.
    …ernment purpose rights period shall commence upon execution of the contract, subcontract, letter contract (or similar contractual instrument), contract modification, or option exercise that required development of the computer software. (i…
  • DFARS 252.227-7018 Rights in Other Than Commercial Technical Data and Computer Software—Small Business Innovation Research Program and Small Business Technology Transfer Program.
    …as may be negotiated. This period shall commence upon award of the contract, subcontract, letter contract (or similar contractual instrument), or contract modification (including a modification to exercise an option) that required developme…
  • DFARS 252.229-7011 Reporting of Foreign Taxes—U.S. Assistance Programs.
    …Contractor shall inform the foreign government of the tax exemption, as documented in the Letter of Offer and Acceptance, country-to-country agreement, or interagency agreement. (d) If the foreign government or entity nevertheless imposes …
  • FAR 9.403 Definitions.
    …ents. See 2 CFR part 180 and agency enacting regulations in 2 CFR subtitle B. Pre-notice letter means a written correspondence issued to a contractor in a suspension or debarment matter, which does not immediately result in an exclusion or…
  • FAR 9.406-3 Procedures.
    … and debarring official shall follow the procedures at 9.105-2(b)(2)(iv). (h) Pre-notice letters. Prior to initiating a proposed debarment, a pre-notice letter may be issued at the discretion of the agency suspending and debarring official…
  • FAR 9.407-3 Procedures.
    … and debarring official shall follow the procedures at 9.105-2(b)(2)(iv). (g) Pre-notice letter. Prior to initiating a suspension, a pre-notice letter may be issued at the discretion of the agency suspending and debarring official. A pre-n…
  • FAR 15.408 Solicitation provisions and contract clauses.
    … of contract action (that is, new contract, change order, price revision/redetermination, letter contract, unpriced order, or other); (6) Proposed cost; profit or fee; and total; (7) Whether you will require the use of Government property…
  • FAR 19.302 Protesting a small business representation or rerepresentation.
    …s not contain specific grounds for the protest. (3) The protest shall include a referral letter written by the contracting officer with information pertaining to the solicitation. The referral letter must include the following information …
  • FAR 19.306 Protesting a firm's status as a HUBZone small business concern.
    …g officer or SBA. (f) The contracting officer shall forward all protests with a referral letter to the Director of SBA's Office of the HUBZone Program, by email to [email protected]. The referral letter shall include the following— (1) T…
  • FAR 19.307 Protesting a firm's status as a service-disabled veteran-owned small business concern.
    …@sba.gov, marked “Attn: SDVOSB Status Protest”. (2) The protest shall include a referral letter written by the contracting officer with information pertaining to the solicitation. The referral letter must include the following information …
  • FAR 19.308 Protesting a firm's status as an economically disadvantaged women-owned small business concern or women-owned small business concern eligible under the Women-Owned Small Business Program.
    …nt Contracting by email at [email protected]. (2) The protest shall include a referral letter written by the contracting officer with information pertaining to the solicitation. The referral letter must include the following information …
  • FAR 28.102-1 General.
    …owing payment protections, giving particular consideration to inclusion of an irrevocable letter of credit as one of the selected alternatives: (i) A payment bond. (ii) An irrevocable letter of credit (ILC). (iii) A tripartite escrow agr…
  • FAR 31.205-22 Lobbying and political activity costs.
    …icipate in any mass demonstration, march, rally, fund raising drive, lobbying campaign or letter writing or telephone campaign; (5) Legislative liaison activities, including attendance at legislative sessions or committee hearings, gatheri…
  • FAR 32.409-3 Security, supervision, and covenants.
    …the Government's interest. (f) The requirements of this 32.409-3 do not apply when using letters of credit if an agency's procedures provide for— (1) The use under a cost-reimbursement contract of Federal funds deposited in the contractor…
  • FAR 43.101 Definitions.
    …efault. (5) For a modification confirming the termination contracting officer's previous letter determination of the amount due in settlement of a contract termination for convenience, the effective date shall be the same as the effective …
  • FAR 52.216-7 Allowable Cost and Payment.
    …nd other financial data (e.g., trial balance, compilation, review, etc.). (G) Management letter from outside CPAs concerning any internal control weaknesses. (H) Actions that have been and/or will be implemented to correct the weaknesses …
  • DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.
    … after agreement on price, but before contract award (except for unpriced actions such as letter contracts), the Offeror shall submit a Certificate of Current Cost or Pricing Data, as prescribed by FAR 15.406-2. (3) The Offeror is responsi…
  • FAR 4.606 Reporting Data.
    …ements other than inter-agency acquisitions required to be reported at 4.606(a)(1). (11) Letters of obligation used in the A-76 process. (d) Agencies not subject to the FAR. Agencies not subject to the FAR may be required by other authori…

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.