Connecticut: Error State ID Number must be a 10 to 13 Digit Number
When going through the Earned income Tax Credit experience in Connecticut, TurboTax will prompt you to enter the employer state ID number or payer's state ID number If you have a nine (9) digit number or entering your Federal ID number, the following message will be generated:
CT-EITC: State ID-1 State ID number must be a 10 to 13 digit number..
If you don't have an identification number that's 10-13 digits, you must enter zero (0) at the end of your employer's or payer's identification number. This will meet Connecticut's 10 to 13 digit requirement and ensure that your return gets processed as quickly as possible.