How long should a business keep tax records?

Michigan Business Tax Record Retention Guidelines

In Michigan, maintaining proper tax records is essential for compliance and smooth business operations. As of 2026, businesses should keep tax records for a minimum period to meet state and federal requirements.

Recommended Retention Period for Tax Records

• Minimum 4 years: Retain all tax returns, supporting documents, and financial records related to income, deductions, and credits for at least four years from the date the tax return was filed or the due date, whichever is later.
• Payroll records: Keep payroll tax records, including employee wage information and tax filings, for at least 4 years to comply with Michigan and federal payroll tax regulations.
• Property tax and asset records: Maintain records related to property tax, asset purchases, and depreciation schedules for at least 7 years, as these may be relevant for audits or adjustments.

Operational Tips for Managing Tax Records

• Organize records systematically: Use digital or physical filing systems categorized by tax year and type of document to facilitate easy retrieval.
• Implement automation tools: Utilize accounting software with integrated recordkeeping and backup features to reduce manual errors and improve compliance.
• Stay updated on changes: Monitor updates from the Michigan Department of Treasury and IRS to adjust retention policies if necessary.
• Coordinate with bookkeeping and payroll: Ensure that bookkeeping and payroll teams maintain consistent records aligned with tax retention requirements.

Following these guidelines helps Michigan businesses stay compliant with tax recordkeeping requirements, reducing risks during audits and improving operational efficiency.