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      CONNECTICUT: How to Manage Your Employer Payroll Tax Accounts

      This guide provides essential information on registering, managing, and troubleshooting both State Income Tax (SIT) and State Unemployment Insurance (SUI) accounts in Connecticut.

      State: Connecticut (CT) 

      SIT (State Income Tax) 

      • Filing Frequency: Monthly/Quarterly/Annually 
      • New Employer Rate: Not Applicable (N/A) 
      • ID # Format: (9)999999999 
      • Phone #: (860) 297-5962 
      • New Registration Estimated Processing Time: Immediate 
      • Delivery Method: Online 

      SUI (State Unemployment Insurance): 

      • Filing Frequency: Quarterly 
      • New Employer Rate: 2.80% 
      • ID # Format: 99-999-99 
      • Phone #: (860) 263-6000 
      • New Registration Estimated Processing Time: Immediate 
      • Delivery Method: Online 

      Registration Process: 

      Just hired your first employee in a new state or local jurisdiction?
      Or have you received a notice requesting tax details for a new account?

      The links below will take you directly to the tax authority sites where you can register for new payroll tax accounts quickly and easily.


      Third-Party Administrator (TPA): 

      TPA Required for SIT: 

      • Yes, follow the steps below

      Authorizing GoCo's Embedded Payroll Parter Gusto in MyconneCT:

      • Step one: Check to see if your myconneCT portal shows “Withholding Tax”

        1. Sign in to your myconneCT account.
        2. Click your business name.
        3. Under your Accounts tab, check if “Withholding Tax” appears—if you do not see it, follow the steps below to add it.
          • If you do see it, Gusto should be able to get the access we need as long as certain company details match (on the agency and Gusto's side):
            • Company Name
            • FEIN
            • Address

        Step two: Add “Withholding Tax” to your DOR account

        Follow the steps below 

        1. Sign in to your myconneCT account.
        2. Click your business name.
        3. Click More…
        4. Under “Taxpayer Updates”, select Add Additional Accounts and Locations.
        5. Read all the instructions, then click Next.
        6. Select the applicable Registration Reason, then click Next.
        7. Select Income Tax Withholding, then click Next.
        8. Answer the questions on the next page, then click Next.
        9. Click Next again.
        10. Sign with your name and title, then click Submit.

        Step three: Notify GoCo Payroll Support

        Once you complete TPA authorization, email support@goco.io to confirm this is complete. 

      TPA Required for SUI: 

      • Yes, follow the steps below

        To authorize GoCo Embedded's Payroll Partner Gusto, you'll first need to get set up in the new ReEmployCT agency portal. If you need help, call the agency directly at (860) 263-6470. 

         

        Head to the ReEmployCT portal to register or create a user ID and password for already registered employers.

          • If you created a CT DOL employer account before July 5, 2022, under “Existing Employers”, click Create User ID and Password. 
            • You'll be asked to enter the first eight digits of your Employer Account Number (EAN). The EAN is your 7-digit registration number assigned in the old system plus a trailing zero.
              • For example: 12-345-67 becomes 12-34567-0.
              • Gusto handles the rest of the requirements for setting up third-party authorization (TPA).



        For Help with understanding or actioning TPA Visit : How to set up GoCo Embedded as my payroll agent?

        State taxes and forms we file 

        • Connecticut Correction of EE Quarterly Earnings Report (SUI) (CT UC-5A) 
        • Connecticut Employer Contribution (SUI) (CT UC-2) 
        • Connecticut Return for Annual Filer (CT 941) 
        • Connecticut Quarterly W/H Return (CT 941 DRS) 
        • Connecticut Annual W/H Reconciliation (CT W3) 
        • Wage and Tax Statement (State W2) 
        • New Hire Report (CT 941X) 

        For any additional questions, please reach out to us at support@goco.io 💚

        Disclaimer:

        This article is not to be taken as tax, legal, benefits, financial, or HR advice. Since rules and regulations change over time and can vary by location, consult a lawyer or HR expert for specific guidance.

        Information Updated 01.06.24