Oklahoma form 13 2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by entering your name in the 'Name of Claimant' field, followed by your Federal I.D. or SSN.
3. If you are a registered vendor, provide your Permit Number or Account Number; otherwise, leave it blank.
4. Fill in your street address, telephone number, and the period covered by the claim.
5. Complete the refund amounts claimed and any credits claimed in their respective fields.
6. If applicable, provide the name and contact information of a representative along with a Power of Attorney.
7. In the explanation section, detail all facts supporting your claim. Attach additional sheets if necessary.
8. Finally, sign and date the form to certify that all information is accurate before submitting it for processing.

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