State of Connecticut Comptroller's Office Seal Office of the State Comptroller
Accounts Payable Division
VSS/eSupplier Contact Form
 


Taxpayer ID Number (TIN) OR Core-CT Vendor ID
One of the following is required to submit your application.
Enter FEIN:
 Federal Employer ID Numbers (FEIN) are issued to businesses by the IRS. ThIs number is the one submitted on your W-9 to conduct    
business with the state. Enter the first two digits in the first box and the last 7 in the second box. Please do not enter dashes. 
Last 4 of SSN:
Enter the last four digits of your Social Security Number (SSN). This should only be filled out if you are conducting business with the State
as an individual, a sole proprietor or a Single Member Limited Liability Company (LLC).
Core-CT Vendor ID Number:
If you have conducted business with the State previously and know your ten digit Core-CT Vendor ID Number enter it here.
Please enter leading zeros.