Follow the steps to complete the NY DTF CT-222 form online.

1. Click 'Get Form' button to access the NY DTF CT-222 form and open it in the online editor.
2. Begin by entering the tax period details at the top of the form, including the beginning and ending dates. Ensure all information is accurate.
3. In Part 1, Annual Payment, enter your 2020 corporation franchise tax or gross receipts tax in the designated box. Follow the instructions to calculate the necessary multipliers based on whether you are a large corporation.
4. Proceed to Part 2, where you will mark the applicable reasons for filing. Mark an 'X' in the boxes that apply to your situation to confirm your filing requirements.
5. Next, move to Part 3 for computing the underpayment. Complete each column thoroughly, ensuring that you calculate amounts based on accurate due dates and payments.
6. In Part 4, compute the underpayment penalty as instructed. Review each line carefully and provide the required dates and calculations.
7. Complete any necessary Schedules A and B, adding details relevant to your corporation's income and tax details as prompted.
8. Once all fields are filled, review your entries for accuracy. Make any necessary adjustments to ensure all calculations comply with the instructions.
9. After final review, save your changes. You will have options to download, print, or share the completed form as needed.

Start completing your documents online to ensure accurate and timely submissions.