MI SB0852

Allows local governmental units to approve industrial facilities exemption certificates when the state equalized valuation of exempt property does not exceed 5% of the local governmental unit's total valuation, subject to state tax commission approval with state treasurer concurrence.

Establishes general application requirements for exemption certificates including facility location in an established district, commencement of construction within specified timeframes, reasonable likelihood of employment creation or retention, and technology modernization (except for new facilities).

Creates exemptions from standard timing and district establishment requirements for specified facilities with documented prior applications, approvals, or denials between 1991 and 2007.

Prohibits casino properties and casino-affiliated operations from qualifying for industrial facilities exemptions or other ad valorem property tax abatements under the act.

Provides retroactive effective dates for exemption certificates in 13 specific cases including facilities approved by local units or emergency managers but delayed in state commission processing, with backdated exemption periods and corrected tax bills or rebates where applicable.