ATP 4-71 — Contracting Support Brigade

ATP 4-71 governs Army contracting support organizations, their operations, and contracting support to deployed Army and joint forces.

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  • Publication number: ATP 4-71
  • Title: CONTRACTING SUPPORT BRIGADE
  • Date: 10/03/2024
  • Proponent: T2COM
  • Status: ACTIVE

View ATP 4-71 on armypubs.army.mil


It covers operational contracting fundamentals, organizational functions, contract means and types, contractor management, commercial analysis, and joint contracting considerations. It describes how contracting organizations plan, coordinate, execute, assess, and integrate commercial support during military operations.

Applies to: ATP 4-71 applies to the Active Army, Army National Guard/Army National Guard of the United States, and United States Army Reserve unless otherwise stated.

Topics covered

  • Operational contracting
  • Contract support integration
  • Contractor management
  • Contract means and types
  • Commercial analysis of the operational environment
  • Joint contracting considerations

Questions and answers

Who has authority to obligate the United States Government on contractual matters?

Only the contracting officer, by virtue of a contracting warrant, has the authority to obligate the United States Government on contractual matters. (paragraph 1-32)

What happens when someone other than a contracting officer attempts to bind the United States Government in contract?

Any attempt to bind the United States Government in contract by anyone other than a contracting officer is illegal and will result in an unauthorized commitment. (paragraph 1-32)

What organizations can be supported units or requiring activities?

Any operational area organization can be a supported unit or a requiring activity. (paragraph 1-40)

What types of contracted support are usually seen within an operational area?

There are three main types of contracted support usually seen within an operational area: systems support, external support, and theater support. (paragraph 4-4)

What must supported units identify before contracted support?

Supported units (requiring activities), in preparation for contracted support, identify and nominate a COR for service contracts, receiving officials for commodities, and FOOs for local micro-purchases. (paragraph 5-2)

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