How to Register: To register your business, go to the online Idaho Business Registration (IBR) application to request your business permits. (If you have trouble with the online application, you can print and fill out this PDF and mail it to us at the address on the top of the paper form.)
Registration Cost: No fee.
Filing Requirements: Filing can be completed online or via paper. Paper forms are provided by The Department and are not available online. Contact The Department if you need a replacement sent.
Due Date: Returns and payments are due on 20th of the month following the end of period.
Where to File: Idaho Taxpayer Access Point
What Will You Need: In order to file online, you will need to create an account before filing. Under Businesses in the center of the page, choose the tax type for efiling. Select New Users Start Here under sign up. Complete the contact information; create a username, and Sign Up. Check the email address provided for a temporary password to access the new account. Return to the website. Enter the username and the temporary password. The temporary password must be changed. Under Your Registered Companies, select Add a New Company. Enter the 9-digit EIN/SSN and permit number, (found on the bottom of your paper return), then add the company name as it appears on the return. You are now able to begin filing by clicking on your company name in blue.
If you e-file your returns for six consecutive months (or two quarters), the Tax Commission will stop mailing you paper returns.
Renewal: Not Required.
Additional Information: Idaho Sales Tax Rules and Regulations