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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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62 sections with “item identification number”: the first 40

  • DFARS 252.211-7003 Item Unique Identification and Valuation.
    As prescribed in 211.274-5(a), use the following clause: Item Unique Identification and Valuation (JAN 2023) (a) Definitions. As used in this clause— Automatic identification device means a device, such as a reader or interrogator, used …
  • FAR 4.1003 Establishing line items.
    Establish separate line items for deliverables that have the following characteristics except as provided at 4.1005-2: (a) Separately identifiable. (1) A supply is separately identifiable if it has its own identification (e.g., national s…
  • FAR 52.223-3 Hazardous Material Identification and Material Safety Data.
    …nd include any applicable identification number, such as National Stock Number or Special Item Number. This information shall also be included on the Material Safety Data Sheet submitted under this contract. (c) This list must be updated d…
  • FAR 52.246-26 Reporting Nonconforming Items.
    As prescribed in 46.317, insert the following clause: Reporting Nonconforming Items (AUG 2024) (a) Definitions. As used in this clause— Common item means an item that has multiple applications versus a single or peculiar application. Co…
  • DFARS 252.211-7008 Use of Government-assigned Serial Numbers.
    … a fixed human-readable information format (text) conveying information about a major end item, which is provided to a contractor by the requiring activity with accompanying technical data instructions for marking the Government-assigned se…
  • DFARS 252.217-7026 Identification of Sources of Supply.
    …o complete and submit the following table before award: Table (1) List each deliverable item of supply and item of technical data. (2) If there is no national stock number, list “none”.; (3) Use “Y” if the item is a commercial product o…
  • DFARS 217.7302 Procedures.
    …in all contracts for the delivery of supplies. The identification shall include— (1) The item's actual manufacturer or producer, or all the contractor's sources for the item; (2) The item's national stock number (if there is one); (3) Th…
  • DFARS 252.245-7005 Management and Reporting of Government Property.
    …utting, tearing, crushing, mangling, shredding, melting, burning, etc. Export-controlled items has the meaning given in the Defense Federal Acquisition Regulation Supplement (DFARS) 252.225-7048, Export-Controlled Items, clause of this con…
  • FAR 2.101 Definitions.
    …nificantly alter the nongovernmental function or essential physical characteristics of an item or component, or change the purpose of a process. Factors to be considered in determining whether a modification is minor include the value and s…
  • FAR 4.1005-2 Exceptions.
    …irements contracts. (i) IDIQ and requirements contracts may omit the quantity at the line item level for the base award provided that the total contract minimum and maximum, or the estimate, respectively, is stated. (ii) Multiple-award IDI…
  • FAR 15.408 Solicitation provisions and contract clauses.
    …contract. If a less economical “make” or “buy” categorization is selected for one or more items of significant value, the contracting officer shall use the clause with— (1) Its Alternate I, if a fixed-price incentive contract is contemplat…
  • FAR 16.505 Ordering.
    …es (see 37.102(a) and subpart 37.6). (4) The following requirements apply when procuring items peculiar to one manufacturer: (i) The contracting officer must justify restricting consideration to an item peculiar to one manufacturer (e.g.,…
  • FAR 22.1003-6 Repair distinguished from remanufacturing of equipment.
    …ria in either paragraphs (a)(1) or (2) of this section are met. (1) Major overhaul of an item, piece of equipment, or materiel which is degraded or inoperable, and under which all of the following conditions exist: (i) The item or equipme…
  • FAR 46.101 Definitions.
    …assure that the product or service conforms to the contractual requirements. Counterfeit item means an unlawful or unauthorized reproduction, substitution, or alteration that has been knowingly mismarked, misidentified, or otherwise misrep…
  • FAR 49.601-2 Letter notice.
    …mination; e.g., name and address of company, contract number of terminated contract, line items, etc.] (a) Effective date of termination. This confirms the Government's electronic notice to you dated ______________________, 20____, termina…
  • FAR 52.212-3 Offeror Representations and Certifications—Commercial Products and Commercial Services.
    …e foreign end products exceed 55 percent domestic content, except for those that are COTS items. If the percentage of the domestic content is unknown, select “no”. (iii) The Offeror shall separately list the line item numbers of domestic e…
  • FAR 52.212-4 Contract Terms and Conditions—Commercial Products and Commercial Services.
    …V 2023) (a) Inspection/Acceptance. The Contractor shall only tender for acceptance those items that conform to the requirements of this contract. The Government reserves the right to inspect or test any supplies or services that have been …
  • FAR 52.215-1 Instructions to Offerors—Competitive Acquisition.
    …nditions, and provisions included in the solicitation and agreement to furnish any or all items upon which prices are offered at the price set opposite each item; (iv) Names, titles, and telephone and facsimile numbers (and electronic addr…
  • FAR 52.245-1 Government Property.
    …pancies incident to shipment means any differences (e.g., count or condition) between the items documented to have been shipped and items actually received. Equipment means a tangible item that is functionally complete for its intended pur…
  • FAR 52.248-1 Value Engineering.
    …ntract, the instant unit cost reduction is normally equal to the number of hours per line-item task saved by using the VECP on this contract, multiplied by the appropriate contract labor rate. Negative instant contract savings means the in…
  • DFARS 204.7103-1 Criteria for establishing.
    Contracts shall identify the items or services to be acquired as separate contract line items unless it is not feasible to do so. (a) Contract line items shall have all four of the following characteristics; however, there are exceptions w…
  • DFARS 204.7104-1 Criteria for establishing.
    Contract subline items provide flexibility to further identify elements within a contract line item for tracking performance or simplifying administration. There are only two kinds of subline items: those which are informational in nature a…
  • DFARS 204.7106 Contract modifications.
    (a) If new items are added, assign new contract line or subline item numbers or exhibit line item numbers, in accordance with the procedures established at 204.7103, 204.7104, and 204.7105. (b) Modifications to existing contract line items…
  • DFARS 211.274-5 Contract clauses.
    (a) Use the clause at 252.211-7003, Item Unique Identification and Valuation, in solicitations and contracts, including solicitations and contracts using FAR part 12 procedures for the acquisition of commercial products and commercial servi…
  • DFARS 252.215-7010 Requirements for Certified Cost or Pricing Data and Data Other Than Certified Cost or Pricing Data.
    …evant sales data means information provided by an offeror on sales of the same or similar items that can be used to establish price reasonableness taking into consideration the age, volume, and nature of the transactions (including any rela…
  • DFARS 252.225-7000 Buy American—Balance of Payments Program Certificate.
    …ertificate—Basic (FEB 2024) (a) Definitions. Commercially available off-the-shelf (COTS) item, component, critical component, critical item, domestic end product, foreign end product, qualifying country, qualifying country end product, and…
  • DFARS 252.225-7013 Duty-Free Entry.
    …ty-Free Entry (AUG 2025) (a) Definitions. As used in this clause— “Component” means any item supplied to the Government as part of an end product or of another component. Customs territory of the United States means the 50 States, the Di…
  • DFARS 252.225-7035 Buy American—Free Trade Agreements—Balance of Payments Program Certificate.
    …4) (a) Definitions. “Bahraini end product,” “commercially available off-the-shelf (COTS) item,” “component,” “critical component,” “critical item,” “domestic end product,” “Free Trade Agreement country,” “Free Trade Agreement country end p…
  • DFARS 252.227-7013 Rights in Technical Data—Other Than Commercial Products and Commercial Services.
    …als, user's manuals, installation instructions, operating instructions, and other similar items, regardless of storage medium, that explain the capabilities of the computer software or provide instructions for using the software. Covered G…
  • DFARS 252.227-7014 Rights in Other Than Commercial Computer Software and Other Than Commercial Computer Software Documentation.
    …als, user's manuals, installation instructions, operating instructions, and other similar items, regardless of storage medium, that explain the capabilities of the computer software or provide instructions for using the software. Covered G…
  • 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.
    …als, user's manuals, installation instructions, operating instructions, and other similar items, regardless of storage medium, that explain the capabilities of the computer software or provide instructions for using the software. Covered G…
  • DFARS 252.232-7013 Performance-Based Payments—Deliverable-Item Basis.
    …d in 232.1005-70(a)(2), use the following clause: Performance-Based Payments—Deliverable-Item Basis (DEC 2022) (a) Performance-based payments shall form the basis for the contract financing payments provided under this contract and shall …
  • DFARS 252.247-7023 Transportation of Supplies by Sea.
    …on by sea, or are otherwise transported by DoD, regardless of ownership or use by DoD. An item is clearly identifiable for eventual use by DoD if, for example, the contract documentation contains a reference to a DoD contract number or a mi…
  • FAR 5.207 Preparation and transmittal of synopses.
    …1) Contract Award and Solicitation Number. (12) Contract Award Dollar Amount. (13) Line Item Number. (14) Contract Award Date. (15) Contractor. (16) Description. (17) Place of Contract Performance. (18) Set-aside Status. (b) Transmi…
  • FAR 52.227-6 Royalty Information.
    …50, the following information shall be included in the response relating to each separate item of royalty or license fee: (1) Name and address of licensor. (2) Date of license agreement. (3) Patent numbers, patent application serial numb…
  • FAR 52.232-25 Prompt payment.
    …he designated billing office specified in the contract. A proper invoice must include the items listed in paragraphs (a)(3)(i) through (a)(3)(x) of this clause. If the invoice does not comply with these requirements, the designated billing …
  • FAR 52.232-26 Prompt Payment for Fixed-Price Architect-Engineer Contracts.
    …he designated billing office specified in the contract. A proper invoice must include the items listed in paragraphs (a)(2)(i) through (a)(2)(x) of this clause. If the invoice does not comply with these requirements, the designated billing …
  • FAR 52.232-27 Prompt Payment for Construction Contracts.
    …he designated billing office specified in the contract. A proper invoice must include the items listed in paragraphs (a)(2)(i) through (a)(2)(xi) of this clause. If the invoice does not comply with these requirements, the designated billing…
  • DFARS 252.232-7011 Payments in Support of Emergencies and Contingency Operations.
    … designated billing office specified in the contract. A proper invoice should include the items listed in paragraphs (c)(2)(i) through (c)(2)(x) of this clause. (i) Name and address of the Contractor. (ii) Invoice date and invoice number.…
  • DFARS 252.244-7001 Contractor Purchasing System Administration.
    ….246-7007, Contractor Counterfeit Electronic Part Detection and Avoidance System, and the item marking requirements of 252.211-7003, Item Unique Identification and Valuation, if applicable; (22) Establish and maintain procedures to ensure …

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.