MI HB6576

Restricts the Michigan Economic Growth Authority from modifying or amending existing written agreements for certificated credits unless the modification reduces the net amount of the credit to the taxpayer, with limited exceptions for technical changes that do not increase the credit amount.

Prohibits the Michigan Economic Growth Authority from extending the term to claim a certificated credit through any modification or amendment to existing agreements.

Requires all modifications or amendments to certificated credit agreements after the bill's effective date to comply with guidelines established under the Michigan Economic Growth Authority Act (1995 PA 24).

Limits taxpayers to claiming only one certificated credit per tax year beginning January 1, 2019.

Repeals the entire Michigan Business Tax Act (2007 PA 36) effective for tax years beginning after December 31, 2031, contingent upon enactment of HB 6574, HB 6575, and HB 6577.