Federal Employer's Identification Number (FEIN)
You must have a Federal Employer's Identification Number if your business is a partnership, corporation, or if you pay wages to anyone other than yourself. Sole proprietorships and general partnerships are not liable for franchise and excise taxes.
Secretary of State (SOS)
This seven-digit number is assigned sequentially by the Secretary of State when a company registers to do business in Tennessee.
A temporary number is an Identification number the Department of Revenue issues when a FEIN number is either not available or not required for a particular business structure.