A prime may ask a supplier to certify origin, designated-country status, domestic content, or compliance with a sourcing clause without explaining which federal regime applies. That matters because Buy American rules and the Trade Agreements Act use different concepts and can apply differently depending on acquisition value, product, agency, and exception.
A subcontractor should identify the exact prime-contract clause and item-level requirement before making a broad country-of-origin representation.
The Trade Agreements Act can waive Buy American restrictions for eligible products
FAR 25.402 explains that the Trade Agreements Act provides authority to waive Buy American and other discriminatory provisions for eligible products from designated countries in covered acquisitions. Applicability depends in part on acquisition value and the relevant agreement.
Official source: FAR Subpart 25.4 — Trade Agreements.
The sourcing tests are different
- Buy American analysis focuses on the applicable domestic-preference rules and content or manufacturing tests for the acquisition.
- Trade Agreements analysis uses U.S.-made or designated-country end-product concepts when the applicable clause governs.
- TAA country-of-origin analysis can turn on substantial transformation rather than component percentages alone.
- Small-business set-asides and other exceptions can change whether trade-agreement procedures apply.
- DoD may have additional DFARS domestic-source restrictions that must be analyzed separately.
Do not use a generic supplier certificate for every contract
A supplier form that asks only whether a product is domestic may be inadequate for a TAA acquisition, while a designated-country certification may not answer a Buy American content question. Tie supplier evidence to the clause, item, manufacturer, country, and version of the rule actually incorporated into the subcontract.
Resolve sourcing before the quote becomes a promise
Country-of-origin questions should be settled during proposal and subcontract review, not after purchase orders are placed. If the prime changes the required sourcing regime after award, the subcontract should provide a change mechanism for cost, lead time, alternate products, and schedule impact.
Related SubPreCheck Guides
Explore the full topic
Supply Chain, Quality & Sourcing Hub