Regulations last checked for updates: Feb 13, 2026

Title 48 - Federal Acquisition Regulations System last revised: Jan 28, 2026
52.247-27 - 52.247-27 Contract Not Affected by Oral Agreement.

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)
authority: 41 U.S.C. 1121(b); 40 U.S.C. 121(c); 10 U.S.C. chapter 4 and 10 U.S.C. chapter 137 legacy provisions (see 10 U.S.C. 3016); and 51 U.S.C. 20113.
source: 48 FR 42478, Sept. 19, 1983, unless otherwise noted.
cite as: 48 CFR 52.247-27