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Income Tax Rate Change Information

On October 1, 2007 the Michigan State Income Tax rate increased from 3.9% to 4.35%.

In addition to making this information available on our Web site, Treasury will mail supplemental withholding guides and tables to Withholding Tax registrants, and notification will be mailed to individual income tax estimate filers.

Estimate and Fiduciary Filer Information

Updated instructions and new 4th quarter worksheets for individual income tax and fiduciary tax estimate filers are available below. While there was no change to the estimate forms, we have provided convenient links to the forms.

Individual Income Tax Estimates:

Fiduciary Tax Estimates:

Withholding Tax Information

Updated supplemental withholding guides and tables:

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