MI HB4111

Exempts industrial and commercial personal property classified as "qualified hydrogen fuel pumps" from property tax collection for taxes levied after December 31, 2025

Defines "qualified hydrogen fuel pump" as equipment located in Michigan used to fill motor vehicles with hydrogen fuel, including pumps and dispensers meeting H35 (35 MPa) or H70 (70 MPa) dispensing pressure standards

Adds installation, replacement, or repair of qualified hydrogen fuel pumps to the list of normal maintenance items for residential property that do not increase true cash value for assessment purposes

Updates references throughout the General Property Tax Act to accommodate the new hydrogen fuel pump provisions in definitions of "additions" for taxable value calculations

Contingent on enactment of House Bill 4112 of the 103rd Legislature (tie bar requirement)