Kentucky Employer Tax Information

To sign up for Square’s online payroll services in Kentucky, you must be registered with the Kentucky Department of Revenue and the Kentucky Division of Unemployment Insurance so we can pay and file your state taxes.

Agency Required Tax Information Format
Kentucky Department of Revenue Kentucky Withholding Tax Account Number 000000 (6 digits)
Kentucky Deposit Frequency Semi-Monthly / Monthly / Quarterly / Annually
Kentucky Division of Unemployment Insurance Kentucky UI Employer Account Number 00000000-0 or 00000000-0A (9 digits + 1 letter)
UI Tax Rate X.XX%

Kentucky Tax Account Numbers

Kentucky Withholding Tax Account Number and Deposit Frequency

  • If you are a new business, register online with the KY Department of Revenue to retrieve your KY Withholding Tax Account Number and deposit frequency.
  • If you already have a KY Withholding Tax Account Number and an assigned deposit frequency, you can find this online, or on any previous Form K-1 or K-3, or on correspondence from the KY Department of Revenue.
  • If you are unsure, you can contact the KY Department of Revenue at 502-564-3306 or 502-564-7287.

Kentucky UI Employer Account Number and Tax Rates

  • If you are a new business, register online with the KY Division of Unemployment Insurance to retrieve your account number and UI Tax Rate. The UI Tax Rate for most new employers is 2.70%.
  • If you already have a KY UI Employer Account Number and UI Tax Rate, you can look these up online or find them on the Notice of Contribution Rate mailed by the KY Division of Unemployment Insurance. If you’re unsure, contact the agency at 502-564-2272 or visit their website.

Kentucky Payroll Tax Details

Square Payroll processes the following per the frequency below to the listed state agencies:

Agency Filing Frequency
Kentucky Department of Revenue Withholding Tax Filing After Every Pay Run
Employer's Return of Income Tax Withheld (K-1) Semi Monthly / Monthly / Quarterly
Wage and Tax Statement (W-2) Annually
Employer's Annual Return of Income Tax Withheld (K-3) Annually
Kentucky Division of Unemployment Insurance Employer's Quarterly Unemployment Wage and Tax Report (UI-3) Quarterly
Kentucky New Hire Reporting Center New Hire Report As Needed

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