Must enter tax period: Employer identification number (EIN) File number beginning ending Business telephone number ( ) Legal name of corporation Trade name/DBA Mailing address State or country of incorporation Care of (c/o) Number and street or PO Box City U.S. state/Canadian province ZIP/Postal code Foreign corporations: date began business in NYS Date of incorporation Country (if not United States) For office use only If you need to update your addre.

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How to use or fill out the Form CT-5.1 Request For Additional Extension Of Time To File online

This guide provides clear instructions on how to fill out the Form CT-5.1, which is used to request an additional extension of time to file franchise/business taxes and the metropolitan transportation business tax. It is designed to assist all users, regardless of their legal experience, in completing this form efficiently and accurately online.

Follow the steps to complete your form accurately.

  1. Click ‘Get Form’ button to obtain the form and open it in an appropriate online editor.
  2. Enter the tax period for which you are requesting the extension. Be sure to provide the beginning and ending dates to clearly define the applicable period.
  3. Provide your employer identification number (EIN) and file number. These identifiers are essential for correctly associating your request with your business.
  4. Fill in the business telephone number, legal name of the corporation, and trade name (Doing Business As). Ensure that all names are consistent with how they are registered with the tax authority.
  5. Complete the mailing address section, including the care of (c/o) line if applicable. Specify your state or country of incorporation and provide your ZIP or postal code.
  6. Fill out the date you began business in New York State if applicable, along with the date of incorporation and the country of incorporation if it is not the United States.
  7. Indicate what additional forms you are requesting an extension for by marking an 'X' in the appropriate boxes. Ensure that you select all relevant tax types, as failure to do so may require additional forms.
  8. If your request is related to a combined group return, indicate the EIN of the designated agent or parent on line A, and select the appropriate line B or C based on your inclusion in a new or existing combined group.
  9. Provide a detailed explanation of the reason for your request for additional time to file. Be as specific as possible to help process your request efficiently.
  10. Certify the form by providing the printed name, email address, and signature of the authorized person. Also, include the phone number and, if applicable, details about the person or firm preparing the document.
  11. Review the entire form for accuracy and completeness, and then follow the prompts to save changes, download, print, or share the completed form online.

Ensure your compliance by completing and submitting your Form CT-5.1 online today.

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Can CT 1040X be filed electronically?

File and pay Form CT-1040X electronically using myconneCT at portal.ct.gov/DRS‑myconneCT.

To request an extension of time to file your return, you must file Form CT‑1040 EXT, Application for Extension of Time to File Connecticut Income Tax Return for Individuals, and pay all the tax you expect to owe on or before the due date. Visit portal.ct.gov/DRS-myconneCT to file your extension electronically.

Connecticut Tax Extension Tip: If you have a valid Federal tax extension (IRS Form 4868) and you owe zero Connecticut income tax, you will automatically receive a Connecticut tax extension.

Forms with payment, mail to: Department of Revenue Services PO Box 2977 Hartford CT 06104-2977 Make your check payable to: Commissioner of Revenue Services To ensure proper posting, write your SSN (optional) and “2021 Form CT-1040 EXT” on your check.

Mail Form CT-5.4 to: NYS CORPORATION TAX. PO BOX 15180. ALBANY NY 12212-5180.

The businesses operating (as C-Corporation or S-Corporation) in New York need to file Form CT-5 with the state to obtain a 6-month extension of time to file their New York business income tax return. Form CT-5 - Request for Six-Month Extension to File New York C-Corporation tax return.

E-file Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return using your personal computer or through a tax professional who uses e-file. File a paper Form 4868. Note: Fiscal year taxpayers may request extensions only by filing a paper Form 4868.

You can get an automatic extension of time to file your tax return by filing Form 4868 electronically. You'll receive an electronic acknowledgment once you complete the transaction.

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