Critical Mineral and Extraction Tax Parity Act
- Sponsor
- Sen. Curtis, John R. [R-UT]
- Committees
- Finance Committee (primary)
- Last action
- Aug 6, 2026
Bottom line
This bill broadens the scope and increases the value of a key tax credit designed to boost domestic critical mineral supply chains, potentially lowering costs for producers and increasing U.S. self-reliance for essential materials.
What it actually does
This bill expands the advanced manufacturing production tax credit (Section 45X of the Internal Revenue Code) by adding several new critical minerals to the list of eligible materials, including boron, copper, lead, potash, rhenium, silicon, silver, uranium, and specific forms of phosphate. It also makes the costs associated with extracting ore that is subsequently refined into an applicable critical mineral eligible for the credit, with restrictions on foreign-sourced ore. Additionally, the bill removes a reduced credit rate for metallurgical coal, allowing it to qualify for the full credit.
Proponents argue
Supporters argue this bill is crucial for strengthening the domestic supply chain of critical minerals, reducing reliance on foreign adversaries, and creating jobs in the U.S. mining and manufacturing sectors. They contend that expanding the tax credit to include more minerals and extraction costs will accelerate investment in domestic production, making the U.S. more competitive and secure in strategically important industries.
Opponents contend
Opponents might argue that expanding tax credits for mineral extraction could lead to increased environmental impacts, potentially subsidizing industries with significant carbon footprints. They may also question the overall cost-effectiveness of such broad tax incentives, suggesting that more targeted investments or alternative strategies might yield better results for national security and economic development without creating new tax expenditures.
The bill is concise and its provisions are clearly stated, making it accessible for a quick review by an informed reader.
Section 2(a)
Expansion of Eligible Critical Minerals
This provision significantly expands the list of 'applicable critical minerals' that qualify for the Section 45X advanced manufacturing production tax credit. It adds Boron, Copper, Lead, Potash, Rhenium, Silicon, Silver, and Uranium. It also includes specific forms of Phosphate (converted to phosphoric acid or phosphorus, or purified phosphate rock). This means that domestic production and sale of these newly listed minerals will now generate a tax credit, incentivizing their extraction and processing within the United States.
Supporters argue
Supporters argue that including these additional minerals is vital for national security and economic resilience, as many are essential for high-tech industries, renewable energy, and defense applications. Expanding the credit will reduce reliance on potentially unstable foreign sources for these crucial materials.
Critics contend
Critics might contend that simply expanding the list of eligible minerals without a comprehensive strategy for domestic extraction and processing could lead to inefficient subsidies or unintended market distortions, rather than truly addressing supply chain vulnerabilities.
Tradeoffs
This provision balances the goal of domestic supply chain resilience and national security with the potential costs of broader tax incentives and the environmental considerations associated with increased mining activities for a wider range of materials.
Section 2(b)
Eligibility of Ore Extraction Costs
This section amends the tax code to allow costs incurred by a taxpayer for extracting ore, which is subsequently refined into an applicable critical mineral, to be treated as eligible for the advanced manufacturing production tax credit. To qualify, the refiner must certify that the ore was refined into a critical mineral and sold to an unrelated person. This provision specifically excludes ore extracted from 'foreign countries of concern' and generally prioritizes U.S.-extracted ore, with exceptions for types not commercially extracted domestically.
Section 2(c)
Full Credit for Metallurgical Coal
This provision removes a previous reduction in the advanced manufacturing production tax credit specifically for metallurgical coal. Previously, metallurgical coal received a lower credit rate (2.5 percent) compared to other critical minerals. By striking this reduction, the bill ensures that metallurgical coal now qualifies for the full credit amount, aligning its treatment with other critical minerals under Section 45X.
Excludes ore extracted from a 'foreign country of concern' from qualifying for the advanced manufacturing production tax credit for extraction costs.
Section 2(b)(1)(B)(ii)(II)
Why it matters:This is standard legislative practice for brevity and consistency with existing definitions in U.S. law, but it does obscure the specific list of excluded countries without further research.
Case for: Supporters argue this ensures the tax credit aligns with broader national security objectives, preventing federal funds from indirectly benefiting geopolitical rivals or countries deemed a threat to U.S. interests.
Case against: Critics might argue that such broad exclusions could limit supply chain diversification, potentially increasing costs or creating new vulnerabilities if alternative sources are scarce or more expensive. It could also complicate operations for companies with existing global footprints.
Estimated impact: Prevents the advanced manufacturing production tax credit from being applied to critical mineral extraction from specific nations deemed adversarial, impacting global supply chain strategies and potentially increasing sourcing costs for some companies.