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. Frequently Asked Questions

Obtaining a Duplicate Sales Tax Permit

If your permit is lost or destroyed, you may request a replacement by calling 860-297-5962, sending a secure message or writing to:

Department of Revenue Services
Registration Unit
PO Box 2937
Hartford CT 06104-2937

Be sure to include your Connecticut tax registration number in all correspondence with DRS. There is no charge for renewal or replacement of your Sales and Use Tax Permit.

NOTE:  If DRS determines that taxes are owed to the State of Connecticut and that all administrative or judicial remedies are exhausted or have lapsed, DRS will not issue or renew a license or seller’s permit until the applicant pays the taxes or makes an arrangement with DRS to pay the taxes.