FAR 43.101 Definitions

Section Federal Acquisition Regulation

Facts

Citation
FAR 43.101
Type
Section
Last amended
90 FR 38208 Effective Aug 7, 2025
Text as of
FAC 2026-01
Official text
acquisition.gov

Text from acquisition.gov. Federal Register history from the Federal Register's records of the rules that amended this section.

Text

As used in this part—

Administrative change means a unilateral (see 43.103(b)) contract change, in writing, that does not affect the substantive rights of the parties (e.g., a change in the paying office or the appropriation data).

Effective date- (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. (2) For a supplemental agreement, the effective date shall be the date agreed upon by the contracting parties. (3) For a modification issued as a confirming notice of termination for the convenience of the Government, the effective date of the confirming notice shall be the same as the effective date of the initial notice. (4) For a modification converting a termination for default to a termination for the convenience of the Government, the effective date shall be the same as the effective date of the termination for default. (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 date of the previous letter determination.

Federal Register history

Final rule Published Effective
Federal Acquisition Regulation; Technical Amendments 90 FR 38208 · FAC 2025-05
Federal Acquisition Regulation; Definitions 66 FR 2117 · FAC 97-22

Sections cited

Terms defined

  • Administrative change
  • Effective date

Quick answers

What is FAR 43.101?

FAR 43.101 is a section of the Federal Acquisition Regulation, titled "Definitions".

When was FAR 43.101 last changed?

The most recent final rule on record is "Federal Acquisition Regulation; Technical Amendments" (90 FR 38208), published Aug 7, 2025 and effective Aug 7, 2025.

Are changes to FAR 43.101 proposed?

No proposed rule from the last 3 years is waiting on a final rule.

On GovTribe

Follow the rules behind federal contracts

  • Search Federal Register rules and proposed rules for the FAR, DFARS and agency supplements
  • Solicitations, awards and government files in one search
  • Ask GovTribe AI about the rules that apply to a contract