FAR and DFARS › FAR Part 52: Solicitation Provisions and Contract Clauses › Subpart 52.2
FAR 52.252-4 Alterations in Contract.
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.
In plain English
This clause is used to revise or supplement parts of a contract or parts of a solicitation that apply after contract award. It requires clear identification of what is being altered. It does not apply to any clause authorized for use with a deviation.
Applies to: Solicitations and contracts where the contracting officer needs to alter other contract or post-award solicitation provisions
What it requires
- Include clear identification of what is being altered
Key terms: alterations · solicitation · contract award · deviation
Written by AI from this section's text. A guide, not legal advice: the text below rules.
The text
As prescribed in 52.107(d), insert the following clause in solicitations and contracts in order to revise or supplement, as necessary, other parts of the contract, or parts of the solicitation that apply after contract award, except for any clause authorized for use with a deviation. Include clear identification of what is being altered.
Alterations in Contract (APR 1984)
Portions of this contract are altered as follows:
(End of clause)
Sections it refers to
- 52.107 Provisions and clauses prescribed in subpart 52.1.
← 52.252-3 Alterations in Solicitation. · 52.252-5 Authorized Deviations in Provisions. →
Rule changes for FAR Part 52
- Federal Acquisition Regulation: Revolutionary FAR Overhaul Parts 8, 12, 13, 15, 38, 44, and 51 ↗ · proposed 2026-09-18 · comments due 2026-10-19
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 16, 17, and 35 ↗ · proposed 2026-09-18 · comments due 2026-10-19
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 9, 27, and 47 ↗ · proposed 2026-09-18 · comments due 2026-10-19
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 14, 28, 36, and 52 ↗ · proposed 2026-09-18 · comments due 2026-10-19
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 3 and 49 ↗ · proposed 2026-06-23 · comments due 2026-07-23
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 5, 24, and 29 ↗ · proposed 2026-06-23 · comments due 2026-07-23
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 6, 7, 10, 18, 26, 37, and 41 ↗ · proposed 2026-06-23 · comments due 2026-07-23
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 1, 2, 4, 33, 39, 40, and 53 ↗ · proposed 2026-06-23 · comments due 2026-07-23
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.