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CT CT-W3 annual W-3

CT CT-W3 annual W-3


CT CT-W3 annual W-3



    • Paper: Letter (8.5in x 11in)

    • All employer must pay and file online using Taxpayer Service Center at https://drsbustax.ct.gov
    • Upload copy 1 of each employee's IRS W-2s.


    Login: https://drsbustax.ct.gov/AUT/welcomebusiness.aspx

    • For employers without a Connecticut Tax Registration Number, follow the instructions for Unregistered Taxpayers.
    • Employers must file this return even if there are no reportable wages or taxes due for the reporting period.
    • Employers must keep a copy for their records.

    Payable to "Commissioner of Revenue Services"


    on or before January 31st of the succeeding calendar year.

    If the due date falls on a Saturday, Sunday or legal holiday, it must be submitted on the first working day AFTER.


    To report a reconciliation of tax withheld during the year.

    Due For period starting
  1. Mon, Feb 1, 2016 Thu, Jan 1, 2015
    Due For period starting
  1. Tue, Jan 31, 2017 Fri, Jan 1, 2016
    Due For period starting
  1. Wed, Jan 31, 2018 Sun, Jan 1, 2017
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