Does anyone know why the CT Quarterly changed to be called CT Income Tax? It happened sometime in the beginning of this year.

Hello, kshuckerow. 

Thank you for reaching out to the Community. We can check your payroll settings. It could be one of the possible reasons why it changes from CT Quarterly to CT Income Tax. 

Here's how: 

1. Click the Gear icon, and select Payroll settings. 
2. Press the Pencil icon, and check the frequency schedule. 
3. Made any change if needed.   
4. Tap OK once done. 

 To learn more about the Payroll Tax Compliance, please refer to this link, and select Connecticut. 

You may also consider reading about the 2021 Connecticut Income Tax Filing Season: FAQ. 

Don't hesitate to let us know if you need more help when working in QuickBooks. We'll make sure everything is sorted out. Stay safe!