U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
As prescribed in 643.104-70, insert the following clause:
Any notice or request relating to this contract given by either party to the other shall be in writing. Said notice or request shall be mailed or delivered by hand to the other party at the address provided in the schedule of the contract. All modifications to the contract must be made in writing by the contracting officer.
