Taxpayer Service Center (TSC) Update
The TSC now accepts estimated payments electronically on Form CT-1065/CT-1120SI ES.
As a follow-up to prior DRS guidance and Special Notice SN 2018(4), Guidance on 2018 Estimated Payments for the Newly Enacted Pass-Through Entity Tax, taxpayers should note the TSC now accepts estimated payments electronically on Form CT-1065/CT-1120SI ES for tax year 2018.
To file online:
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Go to the DRS homepage;
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Click on the TSC logo;
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Select the ‘For Businesses’ or ‘For Practitioners’ login button; and
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Log into your business account (you must know your CT tax registration number, User ID, and TSC password).
If you do not have a CT tax registration number:
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From left hand tool bar on TSC Welcome page, select ‘File/Pay Form CT-1065/CT-1120’; and
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Follow the prompts.
For tax year 2018, you may also make estimated payments by coupon. Starting with tax year 2019, however, you must make payments electronically.