There are 4 Business Tax ID Numbers. A federal tax ID number (Federal EIN), a State Employer (State EIN) Tax ID Number, a State Sales Tax ID Number ( seller's permit / wholesale license), and a Business Tax Registration ID (Business License).
Buyers or Seller's of wholesale. Buyesr of tax free and sellers of retail tangible itmes. Those that lease taxable items. Those that sell taxable iterms.
Sellers may take 1- 5 but may take as long as 3-10 business days