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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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32 sections with “Phase One”

  • FAR 36.303-1 Phase One.
    (a) Phase One of the solicitation(s) shall include— (1) The scope of work; (2) The phase-one evaluation factors, including— (i) Technical approach (but not detailed design or technical information); (ii) Technical qualifications, such a…
  • DFARS 236.303-1 Phase One.
    … lieu of the limitations on the maximum number of offerors that may be selected to submit phase-two proposals at FAR 36.303-1(a)(4), for DoD— (i) If the contract value exceeds $5.5 million, the maximum number of offerors specified in the s…
  • FAR 36.102 Definitions.
    …truction of a particular structure or work as actually completed under the contract. Two-phase design-build selection procedures is a selection method in which a limited number of offerors (normally five or fewer) is selected during Phase …
  • FAR 36.303 Procedures.
    One solicitation may be issued covering both phases, or two solicitations may be issued in sequence. Proposals will be evaluated in Phase One to determine which offerors will submit proposals for Phase Two. One contract will be awarded usin…
  • FAR 19.805-2 Procedures.
    …pant must be eligible for award under the 8(a) program on the initial date for receipt of phase one offers specified in the solicitation (see 13 CFR 124.507(d)(3)). (1) In either negotiated or sealed bid competitive 8(a) acquisitions SBA w…
  • DFARS 252.242-7004 Material Management and Accounting System.
    … (2) More than remote but less than likely (section 806 of Pub. L. 116-283). Valid time-phased requirements means material that is— (1) Needed to fulfill the production plan, including reasonable quantities for scrap, shrinkage, yield, e…
  • FAR 2.101 Definitions.
    …management, conceptual designs, plans and specifications, value engineering, construction phase services, soils engineering, drawing reviews, preparation of operating and maintenance manuals, and other related services. Assignment of claim…
  • FAR 4.403 Responsibilities of contracting officers.
    (a) Presolicitation phase. Contracting officers shall review all proposed solicitations to determine whether access to classified information may be required by offerors, or by a contractor during contract performance. (1) If access to cla…
  • FAR 4.2104 Waivers.
    …unications or video surveillance equipment or services in the relevant supply chain and a phase-out plan to eliminate such covered telecommunications or video surveillance equipment or services from the relevant systems. (2) Executive agen…
  • FAR 27.409 Solicitation provisions and contract clauses
    …earch (SBIR) contract, insert the clause at 52.227-20, Rights in Data—SBIR Program in all Phase I, Phase II, and Phase III contracts awarded under the Small Business Innovation Research Program established pursuant to 15 U.S.C. 638. The SBI…
  • DFARS 215.304 Evaluation factors and significant subfactors.
    …n criteria in competitive contracts for the— (A) Technical maturation and risk reduction phase of weapon system design (see guidance at PGI 207.105(b)(14)(ii)(2)); (B) Engineering and manufacturing development phase of a weapon system, in…
  • DFARS 225.7018-2 Restriction.
    …m with iron and boron to produce the neodymium-iron-boron alloy; and (ii) All subsequent phases of production of the magnets, such as powder formation, pressing, sintering or bonding, and magnetization. (2) Effective January 1, 2027, for …
  • DFARS 234.004 Acquisition strategy.
    …ll include in solicitations for contracts for the technical maturation and risk reduction phase, engineering and manufacturing development phase or production phase of a weapon system, including embedded software— (i) Clearly defined measu…
  • DFARS 252.225-7052 Restriction on the Acquisition of Certain Magnets, Tantalum, and Tungsten.
    …um with iron and boron to produce the neodymium-iron-boron alloy; and (2) All subsequent phases of production of the magnets, such as powder formation, pressing, sintering or bonding, and magnetization. (B) Effective January 1, 2027, for …
  • DFARS 201.170 Peer reviews.
    …AP will conduct the preaward peer reviews for competitive procurements prior to the three phases of the acquisition (see PGI 201.170-2(a)) for all procurements with an estimated value of $1 billion or more under major defense acquisition pr…
  • DFARS 227.7104-1 Policy.
    … that is covered by SBIR/STTR policies, including contracts and subcontracts that include phase III work. Phase III work refers to work that derives from, extends, or completes an effort made under prior SBIR/STTR contracts or agreements, a…
  • FAR 5.205 Special situations.
    …to the GPE a synopsis of each proposed contract action for which the total fee (including phases and options) is expected to exceed $25,000. (2) When the total fee is expected to exceed $20,000 but not exceed $25,000, the contracting offic…
  • FAR 7.105 Contents of written acquisition plans.
    …st program of the contractor and the Government. Describe the test program for each major phase of a major system acquisition. If concurrency is planned, discuss the extent of testing to be accomplished before production release. (14) Logi…
  • FAR 15.408 Solicitation provisions and contract clauses.
    …with the results of any analysis performed on that data. B. Direct Labor. Provide a time-phased (e.g., monthly, quarterly, etc.) breakdown of labor hours, rates, and cost by appropriate category, and furnish bases for estimates. C. Indire…
  • FAR 16.505 Ordering.
    … comments from two or more contractors on draft statements of work; or (ii) Using a multiphased approach when effort required to respond to a potential order may be resource intensive (e.g., requirements are complex or need continued devel…
  • FAR 17.105-2 Objectives.
    …thus avoiding annual startup costs, preproduction testing costs, make-ready expenses, and phaseout costs. (e) Stabilization of contractor work forces. (f) Avoidance of the need for establishing quality control techniques and procedures fo…
  • FAR 35.017-5 Terminating FFRDC.
    …tely justified. If the FFRDC is not transferred to another Government agency, it shall be phased out.
  • FAR 47.207-2 Duration of contract and time of performance.
    …the performance of segments of a major job; e.g., an office relocation for which the work phases must be coordinated to meet other needs of the agency. (3) Statements of performance times for particular services; e.g., pickup and delivery …
  • DFARS 202.101 Definitions.
    …am or system, including authority to approve entry of the program or system into the next phase of the acquisition process (10 U.S.C. 4211). Non-Government sales means sales of the supplies or services to non-Governmental entities for purp…
  • DFARS 207.103 Agency-head responsibilities.
    …ents. This exception does not apply to a multiyear contract or a contract with options or phases. (e) Prepare written acquisition plans for acquisition programs meeting the thresholds of paragraphs (d)(i)(A) and (B) of this section on a pr…
  • DFARS 208.7003-2 Assignments under coordinated acquisition.
    …s, or to continuous redesign or modification during the production and/or operational use phases, which require continual contact between industry and the requiring department to ensure that the item meets the requirements: (1) This except…
  • DFARS 209.571-1 Definitions.
    …gram” means a program that is in the Materiel Solution Analysis or Technology Development Phases preceding Milestone B of the Defense Acquisition System and has been identified to have the potential to become a major defense acquisition pro…
  • DFARS 227.7104-4 Solicitation provisions and contract clauses.
    …ed by SBIR or STTR policies (e.g., performance of one or more subcontracts qualifies as a phase III SBIR or STTR award). See 227.7104-1(d) for guidance on contracts or subcontracts governed by SBIR or STTR policies. (2) For the remainder o…
  • DFARS 242.7201 Definitions.
    …engineering, estimating, purchasing, inventory, accounting, or other systems. Valid time-phased requirements means material that is— (1) Needed to fulfill the production plan, including reasonable quantities for scrap, shrinkage, yield, e…
  • DFARS 252.227-7013 Rights in Technical Data—Other Than Commercial Products and Commercial Services.
    …ns all technical data or computer software developed or generated in the performance of a phase I, II, or III SBIR/STTR contract or subcontract. Technical data means recorded information, regardless of the form or method of the recording, …
  • DFARS 252.227-7014 Rights in Other Than Commercial Computer Software and Other Than Commercial Computer Software Documentation.
    …ns all technical data or computer software developed or generated in the performance of a phase I, II, or III SBIR/STTR contract or subcontract. Unlimited rights means rights to use, modify, reproduce, release, perform, display, or disclos…
  • 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.
    …ns all technical data or computer software developed or generated in the performance of a phase I, II, or III SBIR/STTR contract or subcontract. SBIR/STTR data protection period means the time period during which the Government is obligate…

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.