Buy America Compliance: Materials, Waivers, and Documentation

Buy America compliance means that every piece of iron, steel, manufactured equipment, and construction material built into a federally assisted infrastructure project must be produced in the United States, documented back to a domestic source, and covered by a waiver when it isn’t. The Build America, Buy America Act (BABA), passed as part of the Infrastructure Investment and Jobs Act in 2021, extended these domestic sourcing rules to nearly every federal grant, loan, or cooperative agreement that pays for physical infrastructure.¹ If federal dollars touch your project and you’re pouring concrete or bolting steel, the rules almost certainly reach you.

Whether the Rules Apply to Your Project

BABA covers any entity spending federal financial assistance on infrastructure: state departments of transportation, city and county governments, tribes, water utilities, transit agencies, and every subrecipient or contractor working under them.¹ The list of covered infrastructure runs long: bridges, highways, water treatment plants, broadband, the power grid, airports, and rail.

There is no minimum project size. One federal dollar in the funding stack pulls the entire project’s materials under the domestic sourcing standards.² A $200,000 waterline repair and a $2 billion highway job answer to the same core rules; smaller projects simply have a better shot at the exemptions described below.

One boundary worth naming: Buy America is not the Buy American Act. The Buy American Act governs direct federal procurement, when the government itself is the buyer, and carries a 65 percent domestic content threshold rising to 75 percent by 2029.³ Buy America governs federal financial assistance to non-federal recipients, with a 55 percent threshold for manufactured products.⁴ Different regime, different percentages, different waiver procedures. Confusing them is the fastest way to apply the wrong test.

The Three Material Categories and What Each Must Meet

BABA sorts covered items into three categories, each with its own domestic production standard. Which category your material falls into decides the test it has to pass, so classification comes before compliance.

Iron and steel products: structural metals predominantly made of iron or steel, such as beams, rebar, pipe, plate, and structural shapes, along with any coatings applied to them.
Manufactured products: finished items assembled from multiple components that serve a specific function, such as pumps, electrical panels, HVAC units, or traffic signals.
Construction materials: single-material items such as non-ferrous metals, plastic and polymer products, glass, fiber optic cable, optical fiber, lumber, engineered wood, and drywall.⁵

The lines matter. A steel beam is iron and steel and faces the strictest standard. A traffic signal that happens to contain steel is a manufactured product and follows the percentage test. PVC pipe is a construction material with its own rule. Misclassify the item and you can source it entirely from Ohio and still fail an audit.

Iron and Steel

Iron and steel face the tightest standard, and there is no percentage attached to it. Every manufacturing process, from initial melting through the application of coatings, must occur inside the United States.⁵ Importing a slab and rolling it into shape domestically does not satisfy the rule. The metal has to be melted in an American furnace first.

Manufactured Products

A manufactured product must itself be manufactured in the United States, and more than 55 percent of the total cost of its components must come from components mined, produced, or manufactured domestically.⁴ The test is cost-based, not weight-based.

The math uses each component’s acquisition cost, plus transportation to the manufacturing facility and any duties. Labor and overhead from final assembly stay out of the calculation.⁴ A pump built from $10,000 in components passes if $5,501 of that came from domestic components and fails if only $5,499 did, no matter where final assembly happened.

Watch for higher program-specific thresholds. Transit rolling stock purchased from fiscal year 2020 onward must be more than 70 percent domestic content under 49 U.S.C. § 5323(j).⁶ Fifty-five percent is the BABA floor, not a ceiling.

Construction Materials

Each type of construction material has its own production standard in 2 CFR 184.6, and the shared idea is that every manufacturing process happens domestically, not just the final one. Non-ferrous metals must go from initial smelting through final shaping and coating in the U.S. Glass runs from batching and melting through annealing and cutting. Lumber starts at debarking. Drywall starts at blending gypsum and additives.⁷ Early guidance sometimes described a “last two steps” approach; that framing did not survive the final rule.

When Small Dollars Let You Skip Ahead

Not every non-compliant fitting needs a formal waiver. The Department of Transportation’s de minimis exemption waives BABA for construction materials when the total value of non-compliant items is no more than the lesser of $1 million or 5 percent of total applicable project costs.⁸ “Total applicable project costs” means the combined cost of all steel, iron, manufactured products, and construction materials subject to a domestic preference, not the entire project budget.

There’s also a small grants waiver. If the total federal financial assistance applied to a project is less than $500,000, BABA requirements for steel, iron, manufactured products, and construction materials are waived entirely.⁹ Phased awards are aggregated toward that threshold, so splitting a project into slices to duck under the line does not work.

Requesting a Waiver When Domestic Sourcing Isn’t Possible

When the compliant material genuinely does not exist domestically, or forcing the issue would blow the budget, agencies can issue one of three waivers:

Non-availability waiver: the required item is not produced in the United States in sufficient and reasonably available quantities of satisfactory quality.
Unreasonable cost waiver: using domestic material would raise overall project cost by more than 25 percent.
Public interest waiver: applying the domestic preference would be inconsistent with the public interest.²

A non-availability waiver takes real work to win. You’ll need documented market research: who looked, when, which sources they consulted, and why the search turned up no domestic option. Agencies want to see that your solicitations specifically asked for Buy America-compliant products.¹⁰ “We couldn’t find any” won’t survive review.

Before a waiver takes effect, the agency posts it publicly with a written justification and opens at least a 15-day comment window during which domestic manufacturers can show up and challenge it.¹¹ After comments close, the proposal goes to the Made in America Office at the Office of Management and Budget for review before a final determination issues.¹² Plan for weeks or months, not days.

The Paperwork That Proves It

Compliance lives in the documents. No inspector will take your word that a beam was melted in Pennsylvania.

For iron and steel, mill test reports are the foundation. Each one identifies the mill’s name and location, heat number, material grade, mechanical properties, and chemical composition, and it traces the metal back to a domestic furnace.¹³

Federal highway projects add step certifications on top. Every handler in the chain — supplier, fabricator, manufacturer, processor — separately certifies that their portion of the work happened in the United States.¹³ If any link in that chain can’t produce a certification, the whole product is suspect.

Contractors also submit Buy America compliance certificates from producers or suppliers, signed by a responsible corporate official under penalty of law, attesting that the material meets domestic sourcing rules. Templates are available through the Federal Highway Administration and the Federal Transit Administration. Keep the file organized. Incomplete records are the reason clean projects fail audits, and they can hold up final payment.

What Happens If You Get It Wrong

The most immediate remedy is removal and replacement: a contracting officer can order foreign materials pulled out and swapped for compliant ones at the contractor’s expense. When removal would cause undue delay, the agency may let the material stay, but that decision is not a waiver and does not shield the contractor from further action.¹⁴

From there, agencies can reduce the contract price, terminate for default, or refer the contractor for suspension and debarment. Debarment closes off federal contracts and subcontracts for a period of time, which for many construction firms is a business-ending event. Fabricated certifications claiming domestic origin for imported steel can be referred for criminal investigation.¹⁴

Grant recipients face a parallel risk: federal agencies can claw back funds already disbursed if materials later prove non-compliant, and the violation can taint future eligibility. The cost of tearing out installed materials almost always dwarfs whatever a contractor thought they were saving on foreign product. Small sourcing decisions cause six-figure problems in this area more often than in almost any other part of federal construction work.

1
Congress.gov. Public Law 117-58 – Infrastructure Investment and Jobs Act
2
Office of the Law Revision Counsel. 41 USC Chapter 83 – Section 70914, Application of Buy America Preference
3
Office of the Law Revision Counsel. 41 USC Chapter 83 – Buy American
4
eCFR. 2 CFR Part 184 – Buy America Preferences for Infrastructure Projects
5
eCFR. 2 CFR 184.3 – Definitions
6
Office of the Law Revision Counsel. 49 USC 5323 – General Provisions
7
eCFR. 2 CFR 184.6 – Construction Material Standards
8
Federal Highway Administration. Buy America – De Minimis Costs and Small Grants
9
Federal Highway Administration. De Minimis and Small Grants Q&A
10
U.S. Department of the Interior. Buy America Domestic Sourcing Guidance and Waiver Process for DOI Financial Assistance Agreements
11
Made in America. Buy America Waivers for Federal Financial Assistance
12
U.S. Department of Labor. Made in America – Buy America Waivers for Federal Financial Assistance Awards
13
Federal Highway Administration. Buy America – Construction Program Guide – Contract Administration
14
Acquisition.GOV. 25.206 Noncompliance