119th Congress · HOUSE BILLBILL

H.R. 1366Mining Regulatory Clarity Act

Environmental protection
Introduced Feb 14, 2025
Last action Mar 17, 2026
Pipeline · Bill → Law
Step 1
Introduced
Feb 14, 2025
Step 2
Referred
Aug 29, 2025
Natural Resources
Step 3
Committee
Sep 17, 2025
Reported out
Step 4
House floor
Dec 18, 2025
Passed House
Step 5
Senate
Mar 17, 2026
Step 6
Resolve Changes
Step 7
Signed
SummaryCRS Summary

This bill allows mining operators to use federal lands for activities ancillary to mining, such as waste disposal, regardless of whether those lands contain mineral deposits valuable enough to be mined (mineral validity). It also establishes the Abandoned Hardrock Mine Fund. The bill addresses a 2022 decision in the U.S. Court of Appeals for the Ninth Circuit related to the Rosemont Copper Mine in Arizona (commonly known as the Rosemont decision, described further in CRS Report R48166). The court held that mining claims are only allowed where mineral validity has been established and that mill site claims are more appropriate means for establishing a mining waste disposal site under the Min...

Provisions · 2 sectionsEngrossed in House
4 versions
Engrossed in House · 2 provisions
AI
AmendmentAI
Roll Call Votes · 2
Timeline · 28 actions
Mar 17, 2026
Read twice. Placed on Senate Legislative Calendar under General Orders. Calendar No. 357.
Dec 18, 2025
Considered under the provisions of rule H. Res. 951.
Dec 18, 2025
Rule provides for consideration of H.R. 4776, H.R. 1366, H.R. 845, H.R. 3616, H.R. 3632 and H.R. 4371. The resolution provides for consideration of H.R. 4776, under a structured rule and H.R. 1366, H.R. 845, H.R. 3616, H.R. 3632, and H.R. 4371 under a closed rule. The resolution provides one motion to recommit on each bill.
Dec 18, 2025
DEBATE - The House proceeded with one hour of debate on H.R. 1366.
Dec 18, 2025
The previous question was ordered pursuant to the rule.
Dec 18, 2025
Ms. Leger Fernandez moved to recommit to the Committee on Natural Resources.
Dec 18, 2025
The previous question on the motion to recommit was ordered pursuant to clause 2(b) of rule XIX.
Dec 18, 2025
POSTPONED PROCEEDINGS - At the conclusion of debate on H.R. 1366, the Chair put the question on motion to recommit and by voice vote announced the noes had prevailed. Ms. Leger Fernandez demanded the yeas and nays and the Chair postponed further proceedings until a time to be announced.
Dec 18, 2025
Considered as unfinished business.
Dec 18, 2025
On motion to recommit Failed by the Yeas and Nays: 205 - 213 (Roll no. 357).ROLL CALLFailed
Dec 18, 2025
On passage Passed by the Yeas and Nays: 219 - 198 (Roll no. 358).ROLL CALLpass
Dec 18, 2025
Motion to reconsider laid on the table Agreed to without objection.
Dec 18, 2025
Received in the Senate.
Dec 18, 2025
On passage Passed by the Yeas and Nays: 219 - 198 (Roll no. 358). (text of amendment in the nature of a substitute: CR H6044)ROLL CALLPassed
Dec 18, 2025
Passed/agreed to in House: On passage Passed by the Yeas and Nays: 219 - 198 (Roll no. 358).ROLL CALLPassed
Dec 18, 2025
Considered as unfinished business. (consideration: CR H6069-6070)
Dec 18, 2025
Ms. Leger Fernandez moved to recommit to the Committee on Natural Resources. (text: CR H6049)
Dec 18, 2025
Considered under the provisions of rule H. Res. 951. (consideration: CR H6044-6049)
Dec 16, 2025
Rules Committee Resolution H. Res. 951 Reported to House. Rule provides for consideration of H.R. 4776, H.R. 1366, H.R. 845, H.R. 3616, H.R. 3632 and H.R. 4371. The resolution provides for consideration of H.R. 4776, under a structured rule and H.R. 1366, H.R. 845, H.R. 3616, H.R. 3632, and H.R. 4371 under a closed rule. The resolution provides one motion to recommit on each bill.
Nov 25, 2025
Reported (Amended) by the Committee on Natural Resources. H. Rept. 119-386.
Nov 25, 2025
Placed on the Union Calendar, Calendar No. 336.
Sep 17, 2025
Subcommittee on Energy and Mineral Resources Discharged
Sep 17, 2025
Committee Consideration and Mark-up Session Held
Sep 17, 2025
Ordered to be Reported (Amended) by the Yeas and Nays: 25 - 17.
Sep 3, 2025
Subcommittee Hearings Held
Aug 29, 2025
Referred to the Subcommittee on Energy and Mineral Resources.
Feb 14, 2025
Introduced in House
Feb 14, 2025
Referred to the House Committee on Natural Resources.