What are the various ID types in TNTAP?

In the course of registering for a TNTAP account or filing your tax return through TNTAP, you will be asked to choose among various ID types. The definitions of these ID types are below.


  • Account ID: Account ID is the tax account number you should have received in recent correspondence from the Department of Revenue. It is 10 digits long and is formatted as 1234567890.
  • Location ID: Location IDs are, if you had a sales and use tax liability, your previous sales and use tax account numbers with a zero in the beginning. For example, if your old sales and use tax account number was 104908800, you will enter 0104908800 as your location ID. If you did not have sales and use tax for that location, the number will be generated by the system.
  • Federal Employer ID: This is your FEIN, or Federal Employer Identification Number, that is assigned to you by the IRS.
  • Social Security Number: This is your SSN, or Social Security Number, that is issued to you by the federal government. It is 9 digits long.
  • Individual Taxpayer ID: An Individual Taxpayer Identification Number (ITIN) is a tax processing number issued by the IRS.
  • State Agency ID: This ID type is applicable only to government entities such as a city, county, department or other agency.


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