Skip to main content
Avalara Help Center

South Carolina Additional Questions

SC Required Information

To file the SC ST3 form you will need to enter the following information:

  • South Carolina SID Number - Find your SID number on the retail license that was mailed to you when you registered your business in South Carolina, or on the digital version of that same license that you can find by logging into your account on South Carolina's e-filing website.
  • South Carolina Letter ID - Find your Letter ID on the retail license that was mailed to you when you registered your business in South Carolina, or on the digital version of that same license that you can find by logging into your account on South Carolina's e-filing website.

SC State Settings.PNG

  • Was this article helpful?