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PAYROLL TAX REGISTRATION

Connecticut payroll tax registration

What to set up in Connecticut before the first payroll, in date order, with each agency, online portal and deadline. Enter the first employee's start date and the first pay date to see the dates.

Facts checked on October 5, 2026 against the official sources listed at the end of this page. For employers. General information, not legal or tax advice: confirm a deadline with the agency before you rely on it.

Setup steps before the first payroll

  1. Workers' comp

    Get workers' compensation coverage

    Deadline
    Before anyone starts work
    Workers' comp in Connecticut (Worklio Insurance) (opens in a new tab)
    Source
    portal.ct.gov/wcc/knowledge-base/articles/employers/workers-compensation-insurance (opens in a new tab), checked October 5, 2026
  2. Posters

    Hang the required posters

    Deadline
    Before anyone starts work
    Online
    portal.ct.gov/dol/divisions/wage-and-workplace-standards (opens in a new tab)
    Source
    portal.ct.gov/dol/divisions/wage-and-workplace-standards (opens in a new tab), checked October 5, 2026
  3. State tax accounts

    Register for Connecticut income tax withholding with DRS in myconneCT

    Deadline
    Before the first payroll
    Agency
    Withholding: Connecticut Department of Revenue Services (DRS) (opens in a new tab)
    Online
    drs.ct.gov/eservices (opens in a new tab)
    Returns
    Quarterly remitter for most new employers: Form CT-941 with payment by the last day of the month after the quarter; the classification stays for the following year when first registered on or after July 1
    Source
    portal.ct.gov/drs/withholding-taxes/tax-information (opens in a new tab), checked October 5, 2026
  4. New hire reporting

    Report each new hire

    Deadline
    Within 20 days of hire (C.G.S. 31-254(b)); CTDOL's Employer Guide (April 23, 2026) says within 14 days, or 20 if reporting by fax or mailCounted here from the start date; report sooner if the employee was hired before it.
    Agency
    Connecticut Department of Labor (opens in a new tab)
    Online
    Not confirmed
    Source
    www.cga.ct.gov/current/pub/chap_567.htm#sec_31-254 (opens in a new tab), checked October 6, 2026
  5. State tax accounts

    Register with CTDOL for unemployment in ReEmployCT ('Apply Here', New Employer)

    Deadline
    Before the first quarterly report
    Agency
    Unemployment: Connecticut Department of Labor (CTDOL), Unemployment Insurance Tax (opens in a new tab)
    Online
    reemploycttax.dol.ct.gov/accessct/faces/login/login_local.xhtml (opens in a new tab)
    Source
    portal.ct.gov/dol/knowledge-base/articles/unemployment-taxes/how-do-i-register (opens in a new tab), checked October 5, 2026
  6. State tax accounts

    File the first CT-941 (quarterly remitter) and the first UI quarterly report

    Deadline
    By the last day of the month after the quarter of the first pay dateJanuary 31, 2027 is a Sunday, so it moves to the next business day.
    Rates
    Connecticut payroll tax rates
    Source
    portal.ct.gov/-/media/drs/publications/pubsip/2026/ip-2026-1.pdf?rev=4482a3dca0a44b28ae39381a91fb0916&hash=57C34787EE2C1D4A7F989EE1F6B8F0F8 (opens in a new tab), checked October 5, 2026
  7. Date depends on the deadline below
    Paid leave

    Register with CT Paid Leave in its Business Registration Portal

    Deadline
    Before the first contributions are remitted
    CT Paid Leave
    service.ctpaidleave.org/s/register-your-business (opens in a new tab)
    Source
    www.ctpaidleave.org/for-businesses-and-employers/i-am-an-employer (opens in a new tab), checked October 5, 2026

Federal dates for this pay date

Federal returns follow the compliance calendar, which dates them for every employer:

A 501(c)(3) organization generally owes no FUTA tax and files no Form 940 (Form 940 instructions (opens in a new tab)).

Not confirmed: no official source settled it on the check date, so none is shown.

Not needed in Connecticut

More on Connecticut

WORKLIO HCM

Hiring in a new state? We help open the accounts.

We help open state withholding and unemployment accounts when you hire somewhere new, and our registration service can register your employer tax accounts for you: withholding, unemployment and paid leave contributions where the state's tax agency collects them. After that, Worklio HCM calculates, deposits and files your payroll taxes in every state and locality, new-hire state reporting is automatic, and rates and rules update without you noticing.

Registration in other states

Sources

The agency page or document behind each fact, as checked.

General information, not legal or tax advice. Rules change; confirm current requirements with the relevant agency or your advisor. You remain responsible for registering and for your employment taxes.

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