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Contracting Officer (CO)

The government official with legal authority to enter into, administer, and terminate federal contracts — the only person who can obligate the government.

How It Works

Contracting officers have warranted authority to bind the U.S. government. No one else — not the project manager, not the agency head — can legally commit to a contract. COs determine contract types, evaluate proposals, negotiate terms, and resolve disputes. They also appoint Contracting Officer Representatives (CORs) to monitor day-to-day contractor performance. The CO role requires specific training and certification through the Federal Acquisition Certification in Contracting (FAC-C) program.

Related Terms

  • Federal ContractA legally binding agreement between the U.S. government and a private company to provide goods or services — from fighter jets to IT consulting.
  • Competitive Bidding (Full and Open Competition)The standard procurement process where the government publicly solicits proposals from multiple vendors and selects the best offer based on price, quality, and capability.
  • Federal Acquisition Regulation (FAR)The comprehensive rule book governing how federal agencies buy goods and services — covering everything from how to write a solicitation to when to use competitive bidding.

About This Definition

This definition is part of the TaxDollarData Federal Spending Glossary31 terms explaining how the U.S. government spends taxpayer money. All definitions are written in plain language for taxpayers, journalists, contractors, and researchers.