Missouri sales 2026

1. Click ‘Get Form’ to open the Missouri Sales Tax Return (Form 53-1) in the editor.
2. Begin by entering your Missouri Tax I.D. Number and Federal Employer I.D. Number at the top of the form. Ensure these numbers are accurate for proper identification.
3. Fill in your business name, address, city, state, and ZIP code. If there have been any changes to your mailing address or business location, complete the Registration Change Request (Form 126).
4. In Line 1, provide totals for gross receipts, adjustments, taxable sales, and tax due from all pages. Remember to attach additional pages if necessary.
5. If applicable, check the box for adding new locations and provide detailed breakdowns on page two as required.
6. Complete Lines 2 through 8 by calculating timely payment allowances, quarter-monthly payments submitted, approved credits, balance due, interest for late payments, additions to tax, and finally the total amount due.
7. Sign and date the return at the bottom of the form to authorize submission. Ensure all information is true and complete before sending.

Start filling out your Missouri Sales Tax Return online for free today!