How to File a ST-3 Multi County Return

The following provides information on how to file a ST-3 Multi County return via the Georgia Tax Center (GTC). This document is for periods before April 2018.

1. Log into GTC. Click the Sales & Use Tax hyperlink.
2. Click on the File Return hyperlink for the period you want to file.
3. Complete the Determine Form section and select any boxes that apply to your company. Click Next.
4. Complete the ST-3 Long Form. Click Next.
5. Fill in the Calculate Total Sales Tax form. Click Next.
6. If you have a TSPLOST Tax and have exemptions, check the box for exempt transactions. Click Next.
7. Review the return. Click Submit.
8. Confirm that you want to submit the return by clicking Yes.
9. Write down or print your confirmation number. Click OK to close the form.