NOTICE: Taxpayers are strongly encouraged to visit the DRS website for answers to many questions. You may also email DRS at If contacting DRS by phone, please plan for wait times that may be longer than usual. See DRS FAQ's, which now include important information regarding Connecticut sales tax. Frequently Asked Questions

Refund Protection Problems Page

If you experienced problems with verifying your identity or were unable to complete the questionnaire then you must provide the following items:

  • Copy of Driver's License (or State Issued ID or passport)
  • Any W-2's received by an employer OR last pay stub (for the tax year you are filing for) 

You can send this information to:

Department of Revenue Services
ATTN: Fraud Unit
450 Columbus Blvd.
Hartford, CT 06103

You can also fax this information to: (860) 541-2486.

NOTE: Once the paperwork is received it will be reviewed in the order received and you will be notified if additional information may be needed or we will process the refund. The process can take 10-12 days to complete.