MI HB4533

Allows taxpayers hosting certified blood drives through nonprofit blood bank organizations to claim a $25 tax credit per donor for each blood donation made during the drive, effective for tax years beginning January 1, 2023 and later

Requires taxpayers to attach blood drive certification from the nonprofit blood bank organization to their annual tax return, with certification documenting the employer status, drive date/location, blood bank organization name, number of donors, and taxpayer's federal EIN or Michigan treasury number

Permits excess credits exceeding tax liability to be refunded up to 10% of the taxpayer's tax liability per year, with unused portions carried forward for up to 5 tax years

Defines "blood donation" as voluntary uncompensated donation of whole blood or blood components, "blood drive" as an event organized by a nonprofit blood bank to collect donations, and "certified blood drive" as a drive hosted by an employer with nonprofit coordination and written documentation