48 CFR 842.270: 842.270 Contracting Officer's Representatives' role in contract administration.

(a) A contracting officer may designate a qualified person to be the Contracting Officer's Representative (COR) for the purpose of performing certain technical functions in administering a contract.

(b) The COR acts solely as a technical representative of the contracting officer and is not authorized to perform any function that results in a change in the scope, price, terms or conditions of the contract.

(c) A COR designation must be made in writing by the contracting officer. The designation shall identify the responsibilities and limitations of the COR. A copy of the designation must be furnished to the contractor and the Administrative Contracting Officer (ACO), if separately assigned.