Ct sales tax form 2026

1. Click ‘Get Form’ to open the Connecticut Sales and Use Tax Return (Form OS-114) in the editor.
2. Begin by entering the period ending date and due date in the specified fields. Ensure you use blue or black ink if printing.
3. Fill in your Connecticut Tax Registration Number, taxpayer name, and Federal Employer Identification Number accurately.
4. Complete your address details, including city, state, and ZIP code. If this is a final return, check the appropriate box.
5. In Columns 1 through 4, input gross receipts from sales of goods, leases, rentals, and services as applicable. Remember to round off cents to the nearest whole dollar.
6. Calculate total tax due by following the instructions for deductions and entering amounts on Lines 10a through 14 as required.
7. Sign and date the declaration section at the bottom of the form before submitting electronically via our platform.

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