Replacement Check – Form 3911
If you did not receive your refund check and you believe it was lost or stolen, then we recommend filing Form 3911. Please be aware that once the form is filed, any check that was issued will be cancelled and processing is a minimum of 20-36 weeks.
The form can be downloaded at the following link:
https://www.irs.gov/pub/irs-pdf/f3911.pdf
Fax to: 00-1-855-203-7538 or 00-1-855-404-9091
Or
Mail the form to:
Austin Refund Inquiry Unit
3651 S Interregional Hwy 35
Mail Stop 6542 AUSC
Austin, TX 78741
USA