Economic development: tax increment financing; definition of tax increment revenues; exclude taxes levied under history museum authorities act. Amends secs. 201, 301, 402, 523, 603, 703 & 803 of 2018 PA 57 (MCL 125.4201 et seq.). TIE BAR WITH: SB 1139'26, SB 1140'26

Michigan Senate Bill 1141 aims to modify the definition of "tax increment revenues" within the state's tax increment financing (TIF) laws. Specifically, it seeks to exclude taxes levied under the History Museum Authorities Act from being considered as tax increment revenues. This change would affect sections 201, 301, 402, 523, 603, 703, and 803 of 2018 Public Act 57 (MCL 125.4201 et seq.). The bill is tied to Senate Bills 1139 and 1140 of the 2026 legislative session. ([legiscan.com](https://legiscan.com/MI/bill/SB1141/2025?utm_source=openai))

MI SB1141 is a senate bill in the Michigan 103rd Legislature, sponsored by Sylvia Santana (D), currently “Engrossed” since September 15, 2026.

We track 4,230 Michigan bills this session, 47 of them sponsored by Sylvia Santana.

While specific media coverage on Senate Bill 1141 is limited, the bill's focus on refining tax increment financing definitions may be viewed positively by stakeholders seeking clarity in tax revenue allocations. By excluding certain taxes from TIF calculations, the bill could potentially streamline funding for development projects, benefiting local communities and businesses.

Conversely, some critics might express concern that excluding taxes levied under the History Museum Authorities Act from TIF calculations could reduce available funding for historical and cultural institutions. This change might lead to financial challenges for museums and related organizations that rely on these funds for operations and preservation efforts.