What do I need to enroll in AutoFile for Connecticut?

To enroll in AutoFile for Connecticut, you'll need the details listed below:

Connecticut AutoFile Enrollment FAQ

What's my State Registered Business Name?

  • This is the business name you provided to the state when you registered for your sales tax license.
  • It should be listed on your sales tax registration paperwork.

What's my CT Tax Registration Number?

  • This is the 10 to 12 digit state certificate number you received from the state when you registered for your sales tax license.
  • You can find this listed under the Sales and Use Tax section in your myconneCT account.

What's my State User ID and State Password?

What's my Last Payment Amount?

  • This will be the most recent payment amount you’ve made to the state.
  • If you have only paid your registration fee, please enter that amount. 
  • If you have made no payments, please enter $0.00.

What's my Payment Schedule?

  • This is the filing frequency assigned to you by the Connecticut DOR.
  • If you're not sure of this detail for your account, you can contact the state's DOR and ask them to confirm this detail for you. (We list contact details for the states here.)
What's my  First Filing Period?
  • Pending successful verification, the period listed here is the estimated first filing period TaxJar will file.
  • The First Filing period is based on the date the enrollment form is saved and the payment schedule.