The Michigan Department of Treasury has been made aware that some "Reminder of Tax Due" letters sent to taxpayers contain an incorrect toll-free (1-800) TTY number, which may connect callers to a potential scam. Taxpayers with questions regarding unpaid individual income taxes are asked to contact the Treasury directly at 517-636-4486. We apologize for any confusion or concern this may have caused.
Procedural Changes
Procedural Changes
- 2025-15 - Procedural Changes for the 2026 Assessment Year
- 2024-17 - Procedural Changes for the 2025 Assessment Year
- 2023-18 - Procedural Changes for the 2024 Assessment Year
- 2022-19 - Procedural Changes for the 2023 Assessment Year
- 2021-17 - Procedural Changes for the 2022 Assessment Year
- 2020-17 - Procedural Changes for the 2021 Assessment Year
- 2019-14 - Procedural Changes for the 2020 Assessment Year
- 2018-16 - Procedural Changes for the 2019 Assessment Year
- 2017-24 - Procedural Changes for the 2018 Assessment Year