Connecticut registration and tax info

• Connecticut Department of Revenue Services - income tax withholding
• Connecticut Department of Labor (DOL) - unemployment tax
• Connecticut Paid Leave Authority - paid family medical leave

You should receive your CT Tax Registration Number and tax deposit schedule in real time when registering online, or when registering in-person. 

1. Register online with the CT Department of Revenue. 
   • For early registration assistance, you can visit the State of Connecticut's new online business checklist tool, which includes information from various state agencies and generates a personal checklist to help you get started.
   • Scroll down on the page to see more information about registering on "myconneCT", and for a list of FAQs .
2. When you're ready to begin registering, click the button stating Click here to Register a New Business.

All new CT Registration Numbers are now issued as a 12-digit number. All previous 10, or 11-digit numbers will remain valid and do not need to be changed.

• Reminder: The last 3 digits of the withholding account number are always 000.

Enter the tax account information in Gusto

Once a valid Connecticut work address has been added in Gusto for one or more employee(s), you can add your tax account information:

1. Click the Taxes & compliance section and select Tax setup.
2. Scroll to the "Connecticut Tax Setup" headline and select Manage taxes.
3. Enter your Tax Registration Number—the last 3 digits of the withholding account number are always 000.
   • All new CT Registration Numbers are now issued as a 12-digit number. All previous 10, or 11-digit numbers will remain valid and do not need to be changed.
   • If you need to update your account number: Contact us from the Help or Priority support section of your account—there may be tax implications if taxes have already been paid or filed to an incorrect account number.

Your company becomes liable for state unemployment insurance tax once the company has:

• Paid $1500 in wages during a calendar quarter or;
• Had at least one Connecticut-employee working for any part of the week, for 20 or more different weeks during a calendar year.

Running payroll in Gusto before you're liable for SUI

If you need to run payroll and do not yet meet the above requirements, Gusto allows it—we just suggest you add the "New employer SUI tax rate" specific to Connecticut in the meantime.

• You can find the new employer rates for each state in this article, along with instructions on how to update the rate once you become liable and receive your company-specific agency assigned rate.

You'll want to make sure during registration that the Connecticut Department of Labor is aware of when you plan to become liable—eventually, Gusto will need:

• Your unemployment account number—required to file and pay taxes on your behalf.
• Your company-specific unemployment tax rate—assigned by the agency.

Register for unemployment tax

You should receive your CT Unemployment Number and company-specific unemployment rate instantly, followed by a confirmation letter in the mail within one week. 

1. Learn about registration requirements on the CT Department of Labor website.
2. Start to register your business online by using the ReEmployCT system. 
3. Follow the remaining prompts.

If you have questions about registration, call the Employer Status Unit at (860) 263-6550.

Enter the tax account information in Gusto

Once a valid Connecticut work address has been added in Gusto for one or more employee(s), you can add your tax account information:

1. Click the Taxes & compliance section and select Tax setup.
2. Scroll to the "Connecticut Tax Setup" headline and select Manage taxes.
3. Enter your unemployment account number and unemployment tax rate.
   • Your unemployment rate can be found online, or on the bottom right of the Statement of Experience Account notice that you receive on an annual basis from the DOL. 
     
     • If you need to update your rate: Follow the steps in this article. 
   • If you need to update your account number: Contact us from the Help or Priority support section of your account—there may be tax implications if taxes have already been paid or filed to an incorrect account number.

You can always verify your unemployment account number and rate by calling the agency at (860) 263-6550. 

Connecticut Paid Family and Medical Leave

Gusto supports Connecticut's paid family and medical leave program—we deduct 0.5% from CT employee payrolls. You still need to register, but Gusto uses your FEIN to file and pay the tax, so we won't need the CT PFML account ID you'll receive once you register.

In order for Gusto to keep your Connecticut tax information up-to-date and help troubleshoot tax issues, we'll need you to authorize Gusto as your third-party agent (TPA) in Connecticut. Gusto will become your TPA for the agencies below:

• The CT Department of Revenue (DOR) – withholding tax
• The CT Department of Labor (DOL) – unemployment tax

Connecticut Department of Revenue Services (DOR) – withholding tax

The Connecticut DOR requires special authorization for Gusto to pay and file your taxes. To authorize Gusto, you'll need to:

1. Register on the CT DOR myconneCT portal
2. Verify that you've added the ‘Withholding’ tax type to your account
3. Confirm the following information you have entered in Gusto matches exactly what's on file with the agency:
   • Company Name
   • FEIN
   • Address

Register on the myconneCT portal

1. Sign in here.
2. Click your business name.
3. Under your Accounts tab, check that Withholding Tax appears.

Add "Withholding Tax" to your DOR account

Follow the steps below or reference the agency resource here.

1. Sign in to your myconneCT account.
2. Click your company name.
3. Click More…
4. Under “Taxpayer Updates”, select Add Additional Accounts and Locations.
5. Read all 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.

If Gusto is having trouble gaining access to your account, verify that the company information in Gusto matches exactly what the agency has on file by giving them a call at (860) 297-5962.

Connecticut Department of Labor (CT DOL) – unemployment tax

To authorize Gusto, you'll first need to register, or create an account (for already registered employers), on the new agency portal, the ReEmployCT portal.

Head to the ReEmployCT portal to register or create an account (for already registered employers).

• If you're a new employer to CT DOL and need to register your business, under “New Employer Registration” click Register.
• If you created a CT DOL employer account before July 5, 2022, under “Registered Employers”, click Create an Account. 

Gusto will handle the rest of the requirements for establishing third-party authorization (TPA). In the coming months, the agency will build out a self-serve TPA flow for employers, at which point this resource will be updated with the instructions for adding Gusto.

If you need help setting up your account, call the agency at (860) 263-6470.

If you've run payroll in Connecticut previously, you can find your withholding account number and tax deposit schedule by:

• Checking notices received from the Department of Revenue or;
• Calling the agency at (860) 297-5962.

All new CT Registration Numbers are now issued as a 12-digit number. All previous 10, or 11-digit numbers will remain valid and do not need to be changed.

• Reminder: The last 3 digits of the withholding account number are always 000.

Unemployment account number and rate

You can find your Employer Registration Number and unemployment rate by:

• Checking notices received from the Department of Labor or;
• Calling the agency at (860) 263-6550.

If you do not yet have a company-assigned unemployment rate, you can find the new employer rates for each state in this article—it includes instructions on how to update the rate once you become liable and receive your company-specific agency assigned rate.

Gusto supports Connecticut's paid family and medical leave program—we deduct 0.5% from CT employee payrolls. You still need to register, but Gusto uses your FEIN to file and pay the tax, so we won't need the CT PFML account ID you'll receive once you register.

In order for Gusto to keep your Connecticut tax information up-to-date and help troubleshoot tax issues, we'll need you to authorize Gusto as your third-party agent (TPA) in Connecticut. Gusto will become your TPA for the agencies below:

• The CT Department of Revenue (DOR) – withholding tax
• The CT Department of Labor (DOL) – unemployment tax

Connecticut Department of Revenue Services (DOR) – withholding tax

The Connecticut DOR requires special authorization for Gusto to pay and file your taxes. To authorize Gusto, you'll need to:

1. Register on the CT DOR myconneCT portal
2. Verify that you've added the ‘Withholding’ tax type to your account
3. Confirm the following information you have entered in Gusto matches exactly what's on file with the agency:
   • Company Name
   • FEIN
   • Address

Register on the myconneCT portal

1. Sign in here.
2. Click your business name.
3. Under your Accounts tab, check that Withholding Tax appears.

Add "Withholding Tax" to your DOR account

Follow the steps below or reference the agency resource here.

1. Sign in to your myconneCT account.
2. Click your company name.
3. Click More…
4. Under “Taxpayer Updates”, select Add Additional Accounts and Locations.
5. Read all 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.

If Gusto is having trouble gaining access to your account, verify that the company information in Gusto matches exactly what the agency has on file by giving them a call at (860) 297-5962.

Connecticut Department of Labor (CT DOL) – unemployment tax

To authorize Gusto, you'll first need to register, or create an account (for already registered employers), on the new agency portal, the ReEmployCT portal.

Head to the ReEmployCT portal to register or create an account (for already registered employers).

• If you're a new employer to CT DOL and need to register your business, under “New Employer Registration” click Register.
• If you created a CT DOL employer account before July 5, 2022, under “Registered Employers”, click Create an Account. 

Gusto will handle the rest of the requirements for establishing third-party authorization (TPA). In the coming months, the agency will build out a self-serve TPA flow for employers, at which point this resource will be updated with the instructions for adding Gusto.

If you need help setting up your account, call the agency at (860) 263-6470.

Once a valid Connecticut address has been added in Gusto for one or more employee(s), you can add your tax account information:

1. Click the Taxes & compliance section and select Tax setup.
2. Scroll to the "Connecticut Tax Setup" headline and select Manage taxes.
3. Enter the applicable account number(s) and rate(s).
   • All new CT Registration Numbers are now issued as a 12-digit number.—all previous 10, or 11-digit numbers will remain valid and do not need to be changed.
     • The last 3 digits of the withholding account number are always 000.
     • If you need to update an account number: Contact us from the Help or Priority support section of your account—there may be tax implications if taxes have already been paid or filed to an incorrect account number.
   • Your unemployment rate can be found online, or on the bottom right of the Statement of Experience Account notice that you receive on an annual basis from the DOL.
     • If you need to update your rate: Follow the steps in this article.