Types of contract modifications.

Federal Acquisition Regulations System 1 2023-10-01 2023-10-01 false Types of contract modifications. 43.103 Section 43.103 Federal Acquisition Regulations System FEDERAL ACQUISITION REGULATION CONTRACT MANAGEMENT CONTRACT MODIFICATIONS General 43.103 Types of contract modifications. Contract modifications are of the following types: (a) Bilateral. A bilateral modification (supplemental agreement) is a contract modification that is signed by the contractor and the contracting officer. Bilateral modifications are used to— (1) Make negotiated equitable adjustments resulting from the issuance of a change order; (2) Definitize letter contracts; and (3) Reflect other agreements of the parties modifying the terms of contracts. (b) Unilateral. A unilateral modification is a contract modification that is signed only by the contracting officer. Unilateral modifications are used, for example, to— (1) Make administrative changes; (2) Issue change orders; (3) Make changes authorized by clauses other than a changes clause ( e.g., Property clause, Options clause, or Suspension of Work clause); and (4) Issue termination notices. [48 FR 42386, Sept. 19, 1983, as amended at 66 FR 2133, Jan. 10, 2001]