Senate bill · 119th Congress · Latest step: Committee action
Mining Regulatory Clarity Act
Official title: A bill to provide for the location of multiple hardrock mining mill sites, to establish the Abandoned Hardrock Mine Fund, and for other purposes.
Sponsor: Sen. Catherine Cortez Masto D-NVWhere it went
- IntroducedFeb 12, 2025
- Committee actionApr 9, 2025
- Passed Senate—
- Passed House—
- To the President—
- Became law—
Latest action: Feb 11, 2026 — Placed on Senate Legislative Calendar under General Orders. Calendar No. 334.
Cost and committee reports
Official records Congress.gov attaches to S. 544.
- CBO cost estimateThe Congressional Budget Office published “S. 544, Mining Regulatory Clarity Act” on June 8, 2026. CBO’s description reads “As reported by the Senate Committee on Energy and Natural Resources on February 11, 2026”.Read the CBO estimate ↗Source: Congressional Budget Office, June 8, 2026 ↗
Evidence
- Field in the Congress.gov record
- cboCostEstimates
- CBO publication
- https://www.cbo.gov/publication/62510
- CBO publication date
- June 8, 2026
- Congress.gov bill record
- S. 544, 119th Congress
- Congress.gov API record
- https://api.congress.gov/v3/bill/119/s/544
- Record last updated by Congress.gov
- September 8, 2026
- PORKER copy retrieved
- September 12, 2026
- Stored copy, SHA-256 of the file
dbd6c040fef0d1fbb6c8fdd3271b7853339c2c3395e3658ac2950377f28c0d09
PORKER links to the estimate and does not repeat its dollar figures. Each estimate is for the version of the bill its description names; the bill may have changed since.
- Committee reportCongress.gov lists 1 committee report for this bill: S. Rept. 119-105 ↗. The Congress.gov committee record lists a “Reported By” entry for the Energy and Natural Resources Committee on February 11, 2026.Source: Congress.gov, reported February 11, 2026 ↗
Evidence
- Field in the Congress.gov record
- committeeReports
- Report API records
- https://api.congress.gov/v3/committee-report/119/SRPT/105
- Congress.gov bill record
- S. 544, 119th Congress
- Congress.gov API record
- https://api.congress.gov/v3/bill/119/s/544
- Record last updated by Congress.gov
- September 8, 2026
- PORKER copy retrieved
- September 12, 2026
- Stored copy, SHA-256 of the file
dbd6c040fef0d1fbb6c8fdd3271b7853339c2c3395e3658ac2950377f28c0d09
A committee report is the committee’s own explanation of the bill. PORKER lists it and links to it; reading it is up to you.
From the Congress.gov bill record for S. 544, last updated September 8, 2026. PORKER’s copy was retrieved September 12, 2026 and is refreshed nightly. Open “Evidence” on any line for the record, field and file fingerprint.
Vote results
No recorded roll-call votes on this bill in PORKER’s records (voice votes and unanimous consent are not roll calls; roll-call records start in 2011).
Cosponsors
4 cosponsors — 3 Republicans, 1 Democrat
3 of 4 cosponsors (75%) are from the other party.
Mike Crapo (R-ID), Lisa Murkowski (R-AK), James Risch (R-ID), Jacky Rosen (D-NV).
More from the sponsor
Other 119th Congress bills sponsored by Sen. Catherine Cortez Masto.
- S. 3041 (119th) Tribal Warrant Fairness Act
- S. 911 (119th) Chief Herbert D. Proffitt Act of 2025
- S. 390 (119th) BADGES for Native Communities Act
- S. 546 (119th) Technical Correction to the Shoshone-Paiute Tribes of the Duck Valley Reservation Water Rights Settlement Act of 2025
- S.Res. 428 (119th) A resolution recognizing Hispanic Heritage Month and celebrating the heritage and culture of Latinos in the United States and the immense…
- S.Res. 870 (119th) A resolution recognizing Hispanic Heritage Month and celebrating the heritage and culture of Latinos in the United States and the immense…
Related bills
- H.R. 1366 (119th) Mining Regulatory Clarity ActRelated bill
- H.R. 4754 (119th) Department of the Interior, Environment, and Related Agencies Appropriations Act, 2026Related bill
Relationships as recorded by Congress.gov.
Sponsor’s state and district
Data as of Sep 25, 2026 · bill record checked by PORKER from Congress.gov · votes from Senate.gov and the House Clerk. PORKER is non-partisan.