FAR and DFARS › FAR Part 17: Special Contracting Methods › Subpart 17.5
FAR 17.501 General.
The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.
In plain English
This section explains how agencies buy goods and services through other agencies, usually using indefinite-delivery contracts like Federal Supply Schedules, GWACs, and multi-agency contracts. It sets limits on that practice: agencies cannot use it to get around funding restrictions, to avoid the rules in subpart 7.3, or to step on another agency's authority. For contractors, it matters because it confirms the common contract vehicles used for interagency buys and signals that such acquisitions still carry normal procurement rules.
Applies to: Agencies making interagency acquisitions
What it requires
- Do not use an interagency acquisition to circumvent conditions and limitations imposed on the use of funds.
- Do not use an interagency acquisition to make acquisitions conflicting with any other agency's authority or responsibility.
Key terms: interagency acquisition · indefinite-delivery contracts · Federal Supply Schedules (FSS) · Governmentwide acquisition contracts (GWACs) · multi-agency contracts (MACs)
Written by AI from this section's text. A guide, not legal advice: the text below rules.
The text
(a) Interagency acquisitions are commonly conducted through indefinite-delivery contracts, such as task- and delivery-order contracts. The indefinite-delivery contracts used most frequently to support interagency acquisitions are Federal Supply Schedules (FSS), Governmentwide acquisition contracts (GWACs), and multi-agency contracts (MACs).
(b) An agency shall not use an interagency acquisition to circumvent conditions and limitations imposed on the use of funds.
(c) An interagency acquisition is not exempt from the requirements of subpart 7.3, Contractor Versus Government Performance.
(d) An agency shall not use an interagency acquisition to make acquisitions conflicting with any other agency's authority or responsibility (for example, that of the Administrator of General Services under title 40, United States Code, “Public Buildings, Property and Works” and 41 U.S.C. division C of subtitle I, Procurement).
← 17.500 Scope of subpart. · 17.502 Procedures. →
Rule changes for FAR Part 17
- Federal Acquisition Regulation: Revolutionary Federal Acquisition Regulation Overhaul Parts 16, 17, and 35 ↗ · proposed 2026-09-18 · comments due 2026-10-19
- Federal Acquisition Regulation: Inflation Adjustment of Acquisition-Related Thresholds ↗ · final rule 2025-08-27 · effective 2025-10-01
- Federal Acquisition Regulation; Technical Amendments ↗ · final rule 2025-05-12 · effective 2025-06-11
- Federal Acquisition Regulation: Preventing Organizational Conflicts of Interest in Federal Acquisition ↗ · proposed 2025-01-15 · comments due 2025-03-17
- Federal Acquisition Regulation: Inflation Adjustment of Acquisition-Related Thresholds ↗ · proposed 2024-11-29 · comments due 2025-01-28
- Federal Acquisition Regulation: Prohibition on the Use of Reverse Auctions for Complex, Specialized, or Substantial Design and Construction Services ↗ · proposed 2024-08-29 · comments due 2024-10-28
- Federal Acquisition Regulation; Technical Amendments ↗ · final rule 2024-07-30 · effective 2024-08-29
- Federal Acquisition Regulation: Reverse Auction Guidance ↗ · final rule 2024-07-30 · effective 2024-08-29
Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.