PRT-EXT: Partnership Return Extension (Revision)
Delaware · Delaware Division of Revenue · Used for tax years 2025
Form PRT-EXT is Delaware’s 2025 Partnership Request for Extension. It records the partnership’s identifying information, calendar or fiscal year ending, and requested extension date, and includes an authorized signer’s declaration.
Who files this form
Delaware Form PRT-EXT is for partnerships requesting an extension. This edition is for tax year 2025.
What you'll need
Have the information requested on the form ready:
- Partnership name, taxpayer ID, and mailing address.
- Calendar or fiscal year ending date.
- Due date and requested extension date.
- Authorized signer's printed name, email address, and phone number.
The form also requires an authorized signature and the date signed.
How to file
Complete the partnership information and date fields. Check the box if a request for change form is being filed. Have the authorized signer sign and date the form, and keep a copy for your records.
Mail the completed form to:
Delaware Division of Revenue
PO Box 0830
Wilmington, DE 19899-0830
Common mistakes
Follow these reminders printed on the form:
- Do not cut the page.
- Be sure to sign the return.
- Keep a copy for your records.
Questions people ask
What is Form PRT-EXT used for?
It is Delaware's Partnership Request for Extension form. This edition is for tax year 2025.
Does the form need a signature?
Yes. The form requires an authorized signature, the date signed, and the authorized signer's printed name.
What does the signer certify?
Under penalties of perjury, the signer declares that they have examined the return, including accompanying schedules and statements, and believe it is true, correct, and complete.
What if a request for change form is being filed?
Check the box labeled for a request for change form.