FAR 52.247-12—Supervision, Labor, or Materials.
Plain-English Summary
FAR 52.247-12, Supervision, Labor, or Materials, is a simple but important transportation clause used in solicitations and contracts for transportation or transportation-related services when the contractor must provide supervision, labor, materials, supplies, and equipment. Its purpose is to make clear that the contractor—not the Government—bears responsibility for supplying the resources needed to perform the work and for managing the work in an orderly, timely, and efficient way. In practice, this clause supports performance accountability by requiring the contractor to plan staffing, obtain needed materials and equipment, and provide sufficient oversight to complete the services as promised. It is especially relevant in transportation service arrangements where performance depends on the contractor’s operational control and readiness. The clause does not create a detailed management regime, but it establishes a baseline obligation that the contractor must furnish everything necessary to perform the contract successfully. For contracting officers, it is a straightforward way to reinforce performance expectations in transportation-related acquisitions; for contractors, it is a reminder to price and staff the work realistically and to avoid assuming the Government will provide operational support.
Key Rules
Contractor supplies resources
The contractor must furnish adequate supervision, labor, materials, supplies, and equipment needed to perform the contract. This means the contractor is responsible for ensuring the resources are available and sufficient for the work required.
Performance must be orderly
The contractor must perform the services in an orderly manner. In practice, this requires organized execution, proper coordination, and avoidance of chaotic or ad hoc performance.
Performance must be timely
The contractor must complete the services in a timely manner. The clause supports the expectation that the contractor will staff and manage the work so that contract schedules and service needs are met.
Performance must be efficient
The contractor must perform efficiently, which implies effective use of labor, materials, and equipment. The contractor should not rely on wasteful, under-resourced, or poorly managed performance.
Applies to transportation services
This clause is prescribed for solicitations and contracts for transportation or transportation-related services when the contractor is required to furnish supervision, labor, or materials. It is not a general-purpose clause for all contracts.
Responsibilities
Contracting Officer
Include the clause in applicable transportation or transportation-related solicitations and contracts when the contractor must furnish supervision, labor, or materials. Use it to clearly communicate that the contractor is responsible for providing the resources necessary for performance.
Contractor
Provide adequate supervision, labor, materials, supplies, and equipment needed to perform the contract. Manage the work so it is orderly, timely, and efficient, and ensure staffing and resource planning are sufficient to meet contract requirements.
Agency
Use the clause only in the types of acquisitions identified by the prescription and ensure the contract structure aligns with the expectation that the contractor will supply the needed operational resources.
Practical Implications
Contractors should price the work with enough labor, supervision, and equipment to actually perform; underestimating resource needs can quickly lead to delays or poor performance.
The clause helps avoid disputes over who is supposed to provide operational support, but it does not spell out every staffing or equipment detail, so the statement of work should still be clear.
Contracting officers should confirm the clause fits the acquisition type and should not rely on it as a substitute for detailed performance requirements where those are needed.
A common pitfall is assuming the Government will fill gaps in labor or equipment; this clause places that burden on the contractor unless the contract says otherwise.
Because the clause is brief, performance problems often turn on the underlying contract requirements and the contractor’s resource planning rather than on the clause text itself.
Official Regulatory Text
As prescribed in 47.207-5 (b) , insert a clause substantially as follows in solicitations and contracts for transportation or for transportation-related services when the contractor is required to furnish supervision, labor, or materials: Supervision, Labor, or Materials (Apr 1984) The Contractor shall furnish adequate supervision, labor, materials, supplies, and equipment necessary to perform all the services contemplated under this contract in an orderly, timely, and efficient manner. (End of clause)