Form 53-1 - Sales Tax Return 2026

1. Click ‘Get Form’ to open 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.
3. Fill in your business name, address, city, state, and ZIP code. If there are 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 for all pages. Ensure you include a breakdown per location on page two.
5. If applicable, check the box for timely payment allowance and subtract it from your total tax amount in Line 2.
6. Complete Lines 3 and 4 by subtracting any quarter-monthly payments submitted and approved credits respectively.
7. Calculate any interest for late payments as instructed and add it to Line 6.
8. Finally, review all entries for accuracy before signing the return at the bottom of the form.

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