How do I collect sales tax legally?

How to Collect Sales Tax Legally in Missouri

Collecting sales tax in Missouri requires understanding state and local tax obligations and following proper registration and reporting procedures. Here’s a practical guide to help your business comply with Missouri sales tax requirements.

Register for a Missouri Sales Tax License

• Register with the Missouri Department of Revenue (DOR): Before collecting sales tax, your business must obtain a sales tax license from the Missouri DOR. This registration enables you to legally collect and remit sales tax.
• Online Registration: Use the Missouri DOR’s online system to apply for your sales tax license quickly.

Understand Taxable Sales and Rates

• Identify Taxable Goods and Services: Missouri generally taxes tangible personal property and some services. Confirm which products or services your business sells are subject to sales tax.
• Apply Correct Tax Rates: Sales tax rates in Missouri include a state rate plus additional local rates that vary by city and county. Use the Missouri DOR’s rate lookup tools to determine the correct combined rate for each transaction location.

Collect Sales Tax at Point of Sale

• Calculate Sales Tax Accurately: Add the correct sales tax rate to the sale price at the time of purchase.
• Provide Clear Receipts: Show the sales tax amount separately on customer receipts for transparency and recordkeeping.

Report and Remit Sales Tax

• File Regular Sales Tax Returns: Missouri requires periodic sales tax filings, typically monthly or quarterly, depending on your sales volume.
• Remit Collected Taxes: Submit the collected sales tax to the Missouri DOR by the due date to avoid penalties.
• Maintain Accurate Records: Keep detailed sales and tax collection records to support your filings and for audit purposes.

Additional Operational Considerations

• Automation Tools: Consider using accounting or point-of-sale software that automates sales tax calculation and reporting to reduce errors and save time.
• Employee Training: Train staff on proper sales tax collection procedures to ensure compliance at all sales points.
• Stay Updated: As of 2026, sales tax laws and rates may change. Regularly check Missouri DOR updates to stay compliant.