100 Majestic Drive, Suite 400 • Westby, WI 54667
For questions on filing returns or a specific state's law contact that State.
Do you have a questions for us? Review the frequently asked questions. If you do not find your answer please send us an email. We will respond as soon as possible.
Do you have questions on:
Sales Tax Registration requirements for remote or marketplace sellers
The Streamlined Registration System
Certified Service Providers (CSP)
Correcting a FEIN
Canceling a registration
Resetting your password
Notices or assessments received from states
Do you have tax related questions?
Remote Sellers and Economic Nexus
How to obtain exemption numbers
Using an Exemption Certificate
General questions about the Streamlined Sales Tax Governing Board
or call 480-653-7113