How long should a business keep tax records?

How Long to Keep Tax Records for Businesses in Michigan

Maintaining proper tax records is essential for business compliance in Michigan. Keeping these records organized helps with accurate tax filing, audits, and financial management.

Recommended Retention Periods

• Federal and State Tax Returns: Keep copies of filed tax returns for at least 7 years. This timeframe covers the IRS and Michigan Department of Treasury audit periods.
• Supporting Documents: Retain documents such as receipts, invoices, payroll records, bank statements, and expense reports for a minimum of 7 years. These support deductions and credits claimed on tax returns.
• Employment Tax Records: Maintain payroll and employment tax records for at least 4 years after the date the tax becomes due or is paid, whichever is later.
• Property Records: Keep records related to business assets, including purchase and sale documents, for as long as you own the property plus 7 years after disposal. These affect depreciation and capital gains calculations.

Operational Tips for Recordkeeping

• Use Digital Storage: Scan and store tax documents securely to improve accessibility and reduce physical storage needs.
• Establish a Document Retention Policy: Define clear timelines and responsible personnel for maintaining and securely disposing of records.
• Automate Tracking: Utilize bookkeeping or accounting software that tracks document retention schedules and alerts when records are due for review or disposal.
• Stay Updated: As of 2026, periodically review IRS and Michigan Department of Treasury guidance to adjust retention practices if regulations change.

Related Compliance Considerations

Along with tax records, maintaining accurate payroll records and employee classification documentation supports compliance with tax reporting and labor regulations. Proper bookkeeping and timely reporting reduce risks of penalties and audits.