FAR 8.003—Use of other mandatory sources.
Plain-English Summary
FAR 8.003 tells agencies that certain categories of supplies and services must be obtained from specific mandatory sources rather than through ordinary open-market buying. It covers four subject areas: public utility services, printing and related supplies, leased motor vehicles, and strategic and critical materials such as metals and ores from inventories above Defense National Stockpile requirements. The purpose is to direct agencies to the governmentwide or designated sources that Congress, executive policy, or specialized procurement programs have established for these items. In practice, this means contracting personnel must check whether a need falls into one of these categories before using standard acquisition methods, because the normal competition or ordering process may not apply. The section is a gateway rule: it does not itself provide the detailed procedures, but it points users to the controlling parts of the FAR and related sources where those procedures live. For contractors, it signals that some requirements are reserved for specific channels and may not be available for direct award or standard competition.
Key Rules
Use mandatory sources first
Agencies must satisfy covered requirements from or through the specified sources when the requirement falls within one of the listed categories. This means the agency cannot simply choose a different source for convenience or preference without first following the applicable mandatory-source rules.
Public utility services follow Part 41
Public utility services must be acquired under FAR Part 41, which contains the specialized rules for utility procurement. The section does not restate those procedures; it directs users to the controlling part for how to obtain utility services properly.
Printing follows Subpart 8.8
Printing and related supplies must be obtained under FAR Subpart 8.8. Agencies must use the printing-specific mandatory source framework rather than treating printing like an ordinary supply or service purchase.
Leased motor vehicles follow Subpart 8.11
Leased motor vehicles are subject to the mandatory-source and ordering rules in FAR Subpart 8.11. Agencies must use that framework when acquiring leased vehicles instead of defaulting to standard commercial leasing methods.
Strategic materials come from excess stockpile inventories
Strategic and critical materials, such as metals and ores, must be obtained from inventories exceeding Defense National Stockpile requirements when available. The section points users to DLA Strategic Materials for detailed information and access to those inventories.
Cross-reference controls the details
FAR 8.003 is a referral provision, not a full procedure set. The operative requirements, exceptions, and ordering steps are found in the referenced parts and subparts, so users must consult those authorities before proceeding.
Responsibilities
Agency
Identify whether the requirement is for a public utility service, printing or related supplies, a leased motor vehicle, or a strategic/critical material. If so, the agency must route the requirement through the applicable mandatory source and follow the referenced FAR part or subpart.
Contracting Officer
Screen acquisitions for mandatory-source applicability, ensure the correct FAR part or subpart is used, and avoid placing orders outside the required source structure. The contracting officer must coordinate with the appropriate program office or source provider when the requirement falls under one of these categories.
Program/Requirement Owner
Describe the need accurately so the acquisition team can determine whether it falls within one of the mandatory-source categories. The program office must not assume a commercial or open-market approach is permissible without checking the applicable source rules.
DLA Strategic Materials
Provide information and access regarding inventories of strategic and critical materials that exceed Defense National Stockpile requirements. DLA serves as the point of contact for detailed availability information for those materials.
Contractor
Understand that some opportunities may be reserved for or routed through mandatory sources and may not be competed in the usual way. Contractors should follow the applicable source-specific process and not assume direct award or standard solicitation procedures will apply.
Practical Implications
Before starting a procurement, check whether the requirement is a utility, printing item, leased vehicle, or strategic material; missing this step can lead to an improper acquisition path.
This section often creates a compliance trap: a requirement may look like a routine purchase, but if it falls into one of these categories, the agency must use the specialized source and procedures.
Because FAR 8.003 only points to other authorities, users must read the referenced parts and subparts to understand exceptions, ordering methods, and approval requirements.
Contracting offices should build mandatory-source screening into acquisition planning so the team does not waste time developing a standard solicitation for an item that must be obtained elsewhere.
For contractors, the main takeaway is that access to these requirements may be limited by source rules, so proposal strategy and market expectations should account for mandatory-source channels.
Official Regulatory Text
Agencies shall satisfy requirements for the following supplies or services from or through specified sources, as applicable: (a) Public utility services (see part 41 ). (b) Printing and related supplies (see subpart 8.8 ). (c) Leased motor vehicles (see subpart 8.11 ). (d) Strategic and critical materials ( e.g., metals and ores) from inventories exceeding Defense National Stockpile requirements (detailed information is available from the DLA Strategic Materials, 8725 John J. Kingman Rd., Suite 3229, Fort Belvoir, VA 22060-6223).