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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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30 sections with “Amendment of Solicitation/Modification of Contract”

  • FAR 14.208 Amendment of invitation for bids.
    … or to correct a defective or ambiguous invitation, such changes shall be accomplished by amendment of the invitation for bids using Standard Form 30, Amendment of Solicitation/Modification of Contract. The fact that a change was mentioned …
  • FAR 53.215-1 Solicitation and receipt of proposals.
    …d in 15.509. Block 18 may not be used for negotiated procurements.. (b) SF 30 (11/2016), Amendment of Solicitation/Modification of Contract. SF 30, prescribed in 53.243, may be used for amending requests for proposals and for amending requ…
  • FAR 52.215-1 Instructions to Offerors—Competitive Acquisition.
    … to a proposal before the solicitation's closing date and time, or made in response to an amendment, or made to correct a mistake at any time before award. Proposal revision is a change to a proposal made after the solicitation closing dat…
  • FAR 4.803 Contents of contract files.
    …cted. (7) Government estimate of contract price. (8) A copy of the solicitation and all amendments thereto. (9) Security requirements and evidence of required clearances. (10) A copy of each offer or quotation, the related abstract, and…
  • FAR 15.208 Submission, modification, revision, and withdrawal of proposals.
    …the exact time specified in the solicitation, and urgent Government requirements preclude amendment of the solicitation closing date, the time specified for receipt of proposals will be deemed to be extended to the same time of day specifie…
  • FAR 43.301 Use of forms.
    (a)(1) The Standard Form 30 (SF 30), Amendment of Solicitation/Modification of Contract, exclusive of actions processed under part 15, shall (except for the options stated in 43.301(a)(2) or actions processed under part 15) be used for— (i…
  • FAR 52.214-7 Late submissions, modifications, and withdrawals of bids.
    …f bids by the exact time specified in the IFB and urgent Government requirements preclude amendment of the IFB, the time specified for receipt of bids will be deemed to be extended to the same time of day specified in the solicitation on th…
  • FAR 8.716 Change-of-name and successor in interest procedures.
    …t from the Committee, the contracting officer must— (1) Prepare a Standard Form (SF) 30, Amendment of Solicitation/Modification of Contract, incorporating a summary of the notice and attaching a list of contracts affected; and (2) Distrib…
  • FAR 53.213 Simplified acquisition procedures (SF's 18, 30, 44, 1165, and 1449, and OF's 336, 347, and 348).
    …, and related information from suppliers as specified in 13.307(b). (b) SF 30 (11/2016), Amendment of Solicitation/Modification of Contract. SF 30, prescribed in 53.243, may be used for modifying purchase orders, as specified in 13.307(c)(…
  • FAR 53.242-1 Novation and change-of-name agreements (SF 30).
    SF 30, Amendment of Solicitation/Modification of Contract. SF 30, prescribed in 53.243, shall be used in connection with novation and change of name agreements, as specified in 42.1203(h).
  • FAR 53.243 Contract modifications (SF 30).
    SF 30 (11/2016), Amendment of Solicitation/Modification of Contract. SF 30 is prescribed for use in amending invitation for bids, as specified in 14.208; modifying purchase and delivery orders, as specified in 13.302-3; and modifying contra…
  • FAR 52.212-1 Instructions to Offerors—Commercial Products and Commercial Services.
    …ions that the offeror shall complete electronically); (9) Acknowledgment of Solicitation Amendments; (10) Past performance information, when included as an evaluation factor, to include recent and relevant contracts for the same or simila…
  • FAR 49.603-5 Cost-reimbursement contracts—partial termination.
    [Insert the following in Block 14 of SF 30, Amendment of Solicitation/Modification of Contract, for settlement agreements for cost-reimbursement contracts as a result of partial termination.] (a) This supplemental agreement settles the ter…
  • FAR 14.201-6 Solicitation provisions.
    …n requirements. (b) Insert in all invitations for bids the provisions at— (1) 52.214-3, Amendments to Invitations for Bids; and (2) 52.214-4, False Statements in Bids. (c) Insert the following provisions in invitations for bids: (1) 52…
  • FAR 15.210 Forms.
    … Offer—Negotiated Acquisition, may be used to issue RFPs and RFIs. (b) Standard Form 30, Amendment of Solicitation/Modification of Contract, and Optional Form 309, Amendment of Solicitation, may be used to amend solicitations of negotiated…
  • FAR 52.203-12 Limitation on Payments to Influence Certain Federal Transactions.
    …ess in connection with the award of this contractor the extension, continuation, renewal, amendment, or modification of this contract. (1) The term appropriated funds does not include profit or fee from a covered Federal action. (2) To th…
  • FAR 4.1603 Procedures.
    … positions: (b) Elements of a supplementary PIID. Use the supplementary PIID to identify amendments to solicitations and modifications to contracts, orders, and agreements. The supplementary PIID is reported as a separate data element used…
  • FAR 13.307 Forms.
    …on these forms the clauses considered to be generally suitable for purchases. (3) SF 30, Amendment of Solicitation/Modification of Contract, or a purchase order form may be used to modify a purchase order, unless an agency form/automated f…
  • FAR 42.1203 Processing agreements.
    …he agreement, the responsible contracting officer shall— (1) Prepare a Standard Form 30, Amendment of Solicitation/Modification of Contract, incorporating a summary of the agreement and attaching a complete list of contracts affected; (2)…
  • FAR 43.201 General.
    …he contract. These are accomplished by issuing written change orders on Standard Form 30, Amendment of Solicitation/Modification of Contract (SF 30), unless otherwise provided (see 43.301). (b) The contractor must continue performance of t…
  • FAR 49.109-1 General.
    …ned, the contractor and the TCO shall execute a settlement agreement on Standard Form 30 (Amendment of Solicitation/Modification of Contract) (see 49.603). The settlement shall cover (a) any setoffs that the Government has against the contr…
  • FAR 49.602-5 Settlement agreement.
    Standard Form 30 (SF 30), Amendment of Solicitation/Modification of Contract, shall be used to execute a settlement agreement (see 49.109-1).
  • FAR 53.214 Sealed bidding.
    …ied in 14.408-1(d)(1). Block 18 may only be used for sealed-bid procurements. (b) SF 30, Amendment of Solicitation/Modification of Contract. SF 30, prescribed in 53.243, shall be used in amending invitations for bids, as specified in 14.20…
  • FAR 43.101 Definitions.
    … paying office or the appropriation data). Effective date means— (1) For a solicitation amendment, change order, or administrative change, the effective date shall be the issue date of the amendment, change order, or administrative change…
  • FAR 52.204-30 Federal Acquisition Supply Chain Security Act Orders—Prohibition.
    … order issued after the date of solicitation applies to this contract only if added by an amendment to the solicitation or modification to the contract (see FAR 4.2304(c)). However, see paragraph (c) of this clause. (5)(i) If the contracto…
  • FAR 4.1002 Applicability.
    …policies of this subpart shall apply to the following procurement instruments, to include amendments, modifications, and change orders thereto: (a) Solicitations. (b) Contracts, including, but not limited to, Governmentwide acquisition co…
  • FAR 4.1602 Identifying the PIID and supplementary PIID.
    …ough (5) of this section. (1) Solicitation. Identify the PIID for all solicitations. For amendments to solicitations, identify a supplementary PIID, in conjunction with the PIID for the solicitation. (2) Contracts and purchase orders. Ide…
  • FAR 15.001 Definitions.
    …de to a proposal before the solicitation closing date and time, or made in response to an amendment, or made to correct a mistake at any time before award. Proposal revision is a change to a proposal made after the solicitation closing dat…
  • FAR 52.222-50 Combating Trafficking in Persons.
    …ctor, including a sole proprietor, to waive his or her attorney client privilege or Fifth Amendment rights; or (iii) Restrict the Contractor from— (A) Conducting an internal investigation; or (B) Defending a proceeding or dispute arising…
  • DFARS 204.1601 Policy.
    …this subpart for all new solicitations, contracts, orders, and agreements issued, and any amendments and modifications to those new actions. See also PGI 204.1601(b). (c) Change in the PIID after its assignment. When a PIID is changed afte…

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.