Mi W-4 Form 2025. If you received a letter of inquiry regarding annual return for the return period of 2023, visit michigan treasury online (mto) to file or access the 2023 sales, use and withholding taxes. This form, also known as the employee's withholding certificate, lets.
We will update this page for tax year 2025 as the forms, schedules, and instructions become available. If you received a letter of inquiry regarding annual return for the return period of 2023, visit michigan treasury online (mto) to file or access the 2023 sales, use and withholding taxes.