CT OS-114 Information
Businesses must complete and file Form OS-114, Sales and Use Tax Return, even if no sales were made or no tax is due. Form OS-114 is due on or before the last day of the month following the end of the filing period.
Link to official form info: Connecticut OS-114
Link to official form info for OS-114
Tax Reminder works year round to keep official tax form info up-to-date for Connecticut and the rest of the USA. The IRS and states change their forms often, so we do the hard work for you of figuring out where the official form info is located.
To access the official link to form CT OS-114 and get reminded when it's due, sign up for a free Tax Reminder account:
- Upcoming Due Dates in the Next Year:*
- Friday Jan 31, 2025
- Wednesday Apr 30, 2025
- Thursday Jul 31, 2025
- Friday Oct 31, 2025
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Create a free account to see exactly when to file this form, receive email or SMS notification reminders, and to keep a record of filing it in your history.
* Due dates are based on the filing requirements for this form and may vary depending on your tax year.
10 Connecticut Tax Filings & Forms:
CT-1120 - Corporation Business Tax Return CT-1040 - Resident Income Tax Return CT-1040NR/PY - Nonresident and Part-Year Resident Income Tax Return CT-1065/CT-1120SI - Composite Income Tax Return (S Corp) CT-941 - Quarterly Reconciliation of Withholding Form CT-W3 - Annual Reconciliation of Withholding UC-2 - Employer Contribution Return CT-WH - Withholding Tax Payment Form OS-114 - Sales and Use Tax Return OS-114 - Sales and Use Tax ReturnAre we missing a Connecticut tax form?
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