Q: I run a traveling retail business based in Freeport, Illinois. How do I apply for a tax ID?
A: Apply for the EIN online first, then Illinois sales tax registration. Here is what a traveling retailer in Freeport needs: 1. Federal tax ID number (EIN) for suppliers 2. Certificate of registration (Illinois Business Tax number) 3. Assumed business name filing, followed by newspaper publication 4. Event and vendor permits in each town you visit 5. Resale certificates for inventory