How long should a business keep tax records?

South Dakota Business Tax Record Retention

Maintaining proper tax records is essential for South Dakota businesses to ensure compliance and support accurate reporting. As of 2026, businesses should follow these guidelines for retaining tax documents.

Recommended Retention Period

• General Rule: Keep tax records for at least 7 years. This period covers the timeframe during which the IRS and South Dakota Department of Revenue can audit or request documentation.
• Payroll Records: Retain payroll and employment tax records for at least 4 years after the tax is due or paid, whichever is later.
• Property Records: Keep records related to property, such as purchase and improvement documents, for as long as you own the property plus 7 years after disposal.

Operational Considerations

• Bookkeeping Integration: Use an organized bookkeeping system to store and easily retrieve tax records.
• Digital Storage: Electronic copies are acceptable if they are accurate, accessible, and backed up securely.
• Compliance: Ensure records include all supporting documents like receipts, invoices, bank statements, and tax returns.
• Audit Preparedness: Keeping detailed records helps streamline audits and reduces risk of penalties.

Additional Recommendations

Review your record retention policy periodically to align with changes in tax laws or business operations. Consult with tax professionals to confirm specific retention needs based on your industry and business structure.