FAR and DFARS › FAR Part 52: Solicitation Provisions and Contract Clauses › Subpart 52.2
FAR 52.247-27 Contract Not Affected by Oral Agreement.
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 states that no oral statement can change the terms, conditions, or specifications of the contract. It also requires that all modifications be made in writing by the Contracting Officer or an authorized representative. This matters because it ensures that only written changes are binding, protecting contractors from unauthorized verbal agreements.
Applies to: Solicitations and contracts for transportation or transportation-related services
What it requires
- Ensure all contract modifications are made in writing by the Contracting Officer or an authorized representative.
Key terms: oral statement · modify · terms · conditions · specifications
Written by AI from this section's text. A guide, not legal advice: the text below rules.
The text
As prescribed in 47.207-8(b), insert the following clause in solicitations and contracts for transportation or for transportation-related services:
Contract Not Affected by Oral Agreement (APR 1984)
No oral statement of any person shall modify or otherwise affect the terms, conditions, or specifications stated in this contract. All modifications to the contract must be made in writing by the Contracting Officer or an authorized representative.
(End of clause)
Sections it refers to
- 47.207-8 Government responsibilities.
Sections that refer to it
- 47.207-8 Government responsibilities.
← 52.247-26 Government Direction and Marking. · 52.247-28 Contractor's Invoices. →
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.