Connecticut Employer Tax Information
To sign up for Square Payroll in Connecticut, you must be registered with the Connecticut Department of Revenue Services and the Connecticut Department of Labor.
Agency | Tax ID | Tax ID Format |
---|---|---|
Connecticut Department of Revenue Services | Connecticut Tax Registration Number | (X)XXXXXXXX XXX (typically 9 digits with a 3 digit location code) |
Connecticut Department of Labor | Connecticut Department of Labor Employer Registration Number | XX-XXX-XX (7 digits) |
Connecticut New Employer Registration
Connecticut Department of Revenue Services
Allow approximately 10 business days to receive your Connecticut Tax Registration Number.
If you need to speak with the Department of Revenue Services, call: 860-297-5962
Connecticut Department of Labor
Upon successful completion of online registration, you will receive your Department of Labor Employer Registration Number.
If you have issues, call the Department of Labor: 860-263-6000
Connecticut Contribution Rate
Your rate is the sum of the Employer Tax Rate and the Connecticut Fund Solvency Tax Rate. Follow additional instructions below if you are unsure of your rate or if you need to apply for one.
Find Your Connecticut Tax ID Numbers and Rate
Connecticut Tax Registration Number
Locate your twelve-digit (XXXXXXXXX XXX) registration number on any previously filed state tax return (Form CT-941) or correspondence from CT Department of Revenue Services.
Call the Department of Revenue Services: 860-297-5962
Connecticut Department of Labor Employer Registration Number
Locate your seven-digit (XX-XXX-XXX) registration number on any previously filed quarterly report (Form UC-5A / UC-2R) or correspondence from the Department of Labor.
If you can’t find your locate your Department of Labor Employer Registration Number, you may fax a request to the Employer Status Unit at (860) 263-6567. See specific fax requirements here.
If you have issues, call the Department of Labor: 860-263-6000
Connecticut Contribution Rate
Your rate is the sum of the Employer Tax Rate and the Connecticut Fund Solvency Tax Rate.
If you have an online account, look up your rate online.
Locate your rate on any previously filed quarterly report (Form UC-5A/UC-2R) or on the Merit Rating Notice that the CT Department of Labor mails each December.
Call the Department of Labor: 860-263-6000
You are responsible for ensuring Square Payroll has the correct Contribution Rate on file for your business. If you need to update your rate, you can do so from the Tax Info tab in your online Square Dashboard.
Connecticut State Tax Details
Square Payroll processes the following per the frequency below to the listed state agencies:
Agency | Name | Frequency |
Department of Revenue Services | Withholding Tax Payment | Per Pay Run | Note: Note: Square Payroll remits CT withholding tax payments at the more frequent semi-weekly deposit schedule.
Quarterly Reconciliation of Withholding (CT-941) | Quarterly | |
Annual Reconciliation of Withholding (CT-W3) | Annually | |
Annual Wage and Tax Statements (CT-W2) | Annually | |
Department of Labor | Employer Contribution Return and Employee Quarterly Earnings Report (UC-5A / UC-2) | Quarterly |
Unemployment Insurance Tax Payment | Quarterly | |
New Hire Report | Per New Employee |
Additional Connecticut Specific Information
Connecticut Tax Registration Number: Your Connecticut Tax Registration Number may be either 10 or 11 digits.
Learn how to locate or obtain an EIN.