{"data":{"id":"us/48-cfr-43.103","jurisdiction":"us","citation":"48 CFR 43.103","heading":"43.103 Types of contract modifications.","body":"Contract modifications are of the following types:\n(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—\n(1) Make negotiated equitable adjustments resulting from the issuance of a change order;\n(2) Definitize letter contracts; and\n(3) Reflect other agreements of the parties modifying the terms of contracts.\n(b) Unilateral. A unilateral modification is a contract modification that is signed only by the contracting officer. Unilateral modifications are used, for example, to—\n(1) Make administrative changes;\n(2) Issue change orders;\n(3) Make changes authorized by clauses other than a changes clause (e.g., Property clause, Options clause, or Suspension of Work clause); and\n(4) Issue termination notices.","path":["Title 48—Federal Acquisition Regulations System","CHAPTER 1—FEDERAL ACQUISITION REGULATION","SUBCHAPTER G—CONTRACT MANAGEMENT","PART 43—CONTRACT MODIFICATIONS","Subpart 43.1—General"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-48.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:29Z","sha256":"804ec29507217fc55906a50b64f5799890d8c4d30c72864ce03fb103092fcf82","source_id":"us-cfr","stale":true,"prev":"us/48-cfr-43.102","next":"us/48-cfr-43.104"},"notice":"GroundRules: Original legal text. Not legal advice."}