How long should a business keep tax records?

Tax Record Retention Requirements in Minnesota

In Minnesota, businesses must keep tax records for a sufficient period to meet both federal and state requirements. Proper recordkeeping supports accurate tax reporting, compliance, and potential audits.

Recommended Retention Period

• Federal Guidelines: Retain tax records for at least 3 years from the date the tax return was filed. This aligns with the IRS audit period for most returns.
• Minnesota State Guidelines: The Minnesota Department of Revenue generally recommends keeping records for at least 4 years after the due date of the return or the date it was filed, whichever is later.
• Employment Tax Records: Keep payroll and employment tax records for at least 4 years, as required by both federal and state regulations.

Types of Records to Maintain

• Income statements and receipts
• Expense documentation and invoices
• Payroll records and employee classification
• Bank statements and canceled checks
• Copies of filed tax returns and supporting schedules

Operational Tips

• Implement organized bookkeeping systems or automation tools to manage records efficiently.
• Store records securely, either digitally with backups or physically in a safe location.
• Review retention policies annually to ensure compliance with any updates in tax laws.
• Consult with a tax professional or accountant to tailor recordkeeping practices to your business type and size.

As of 2026, maintaining tax records for at least 4 years in Minnesota is a practical approach to ensure compliance and readiness for any tax inquiries or audits.