Follow the steps to fill out your NY CT-3-A/BC form online.

1. Click ‘Get Form’ button to obtain the form and open it in the online editor.
2. Enter the tax period in the appropriate fields, marking if the return is a final or amended return. Ensure you input the employer identification number (EIN) and file number.
3. Input the legal name of the corporation, trade name or DBA, and the mailing name if it differs from the legal name. Provide the mailing address and contact information, including city, state, ZIP code, and phone number.
4. Indicate the state or country of incorporation and the date of incorporation. Also, list the corporation's principal business activity in New York State.
5. If any address or phone number is new, mark the designated box. Foreign corporations should also specify the date they began operating in New York State.
6. Fill in the details of the designated agent, including their legal name, EIN, and contact information. Indicate if a third-party designee is involved.
7. Complete the certification section, signing off with the printed name and signature of the authorized person. Provide contact email and phone number for follow-ups.
8. If applicable, include information for the paid preparer, such as their name, signature, address, and relevant identification numbers.
9. Review Parts 1 to 6 of the form, ensuring all fields regarding group member’s general information, fixed dollar minimum tax details, capital base line items, and apportionment factors are accurately filled.
10. Once all sections are complete, you will have the option to save changes, download, print, or share the completed form as per your needs.

Complete your NY CT-3-A/BC form online today to ensure timely filing.