All Roll Calls
Yes: 285 • No: 10
Sponsored By: Dave Fern (Democrat)
Became Law
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4 provisions identified: 2 benefits, 0 costs, 2 mixed.
Air and water pollution control and carbon capture equipment placed in service after January 1, 2014 is exempt from property tax. The equipment must be identifiable, certified, and kept in substantial compliance; operating changes alone do not qualify. If it upgrades existing gear, only the added value is exempt. The Department of Environmental Quality sets certification rules, tracks compliance, and reports ongoing noncompliance, while the Department of Revenue sets valuation rules. Casual or isolated noncompliance does not end certification.
Fiber or coaxial cable placed in service on or after July 1, 2021 is fully exempt from property tax for five years. After year five, the exemption drops by 20 percentage points each year and ends after ten years. To keep the break, owners must reinvest the tax savings in new Montana cable within two years of first claiming it, and the install cost must at least match the savings; these costs cannot be charged to customers. Cable installed with American Rescue Plan Act section 9901 funds is not eligible. Owners must keep records, and if they fail the rules, the state can end the break and local governments can recapture taxes with interest and penalties within ten years after the year first claimed.
You can appeal certification, classification, or valuation decisions to the Montana Tax Appeal Board. Name the Department of Environmental Quality for certification appeals and the Department of Revenue for classification or valuation appeals. This process applies starting January 1, 2025.
The law defines which property is class five, including co‑op electric and phone assets, research and development firm property, ethanol‑production property during construction and the first three years, electrolytic reduction equipment, and some rural telecom property. Class five property is taxed at 3% of market value each year unless an exemption applies. These rules apply beginning January 1, 2025.
Dave Fern
Democrat • Senate
Courtenay Sprunger
Republican • House
All Roll Calls
Yes: 285 • No: 10
Senate vote • 4/23/2025
Do Concur
Yes: 99 • No: 0
Senate vote • 4/22/2025
Do Concur
Yes: 99 • No: 0
Senate vote • 4/4/2025
Do Pass
Yes: 44 • No: 5
Senate vote • 4/3/2025
Do Pass
Yes: 43 • No: 5
Chapter Number Assigned
Signed by Governor
Transmitted to Governor
Signed by Speaker
Signed by President
Returned from Enrolling
Sent to Enrolling
3rd Reading Concurred
2nd Reading Concurred
Committee Report--Bill Concurred
Committee Executive Action--Bill Concurred
Hearing
First Reading
Referred to Committee
Transmitted to House
3rd Reading Passed
2nd Reading Passed
Committee Report--Bill Passed
Committee Executive Action--Bill Passed
Fiscal Note Printed
Fiscal Note Signed
Fiscal Note Received
Hearing
Referred to Committee
First Reading
Enrolled
4/24/2025
Introduced
3/26/2025