Form 740NP-WH-EXT is a Kentucky tax extension form used for the 2025 tax year by an entity that needs extra time to file Form 740NP-WH. It is designed to identify the filer, match the extension to the correct Kentucky withholding account, show the taxable year involved, and record the amount of individual income tax and any payment being sent with the extension. The form asks for basic business identification details, including the federal identification number, Kentucky NRWH account number, entity name, and mailing address, and it also requires contact information and a signature from an authorized person. In simple terms, this form helps the Kentucky Department of Revenue connect the extension request to the right account and tax period, while also documenting the payment information that goes with the filing. If you are preparing a Kentucky nonresident withholding extension for 2025, this is the form used to provide that information in a short, structured format.
How To File Form 740NP-WH-EXT
- Use the 2025 version of the form.
- Fill in every applicable identification, tax, payment, address, contact, and signature field.
- Enter all dollar amounts as whole dollars, rounded to the nearest dollar.
- Keep the return type code exactly as shown on the form.
- If you are submitting a paper copy, separate it along the dotted line before sending it.
- Send the completed form to the Kentucky Department of Revenue using the department address printed on the form.
- Keep a copy of the completed extension and your payment details for your records.

How To Complete Form 740NP-WH-EXT
Line 1, Federal Identification Number (FEIN): Enter the entity’s federal identification number in the boxes provided. Make sure the number is complete and accurate so the extension can be matched to the correct taxpayer account.
Line 2, Return Type: Use the return type code shown on the form, which is 09. Do not change this code unless you have been specifically instructed to do so.
Line 3, Taxable Year Ending (MMYY): Enter the ending date of the tax year in month and year format. Use two digits for the month and two digits for the year. For example, a December 2025 year end would be entered as 1225.
Line 4, Kentucky NRWH Account No.: Fill in the Kentucky NRWH account number assigned to the entity. Enter it carefully so the extension is applied to the correct Kentucky account.
Line 5, Entity Name: Write the full legal name of the business or entity exactly as it should appear on the related Kentucky filing. Do not shorten the name unless that is the entity’s legal name.
Line 6, Individual Income Tax: Enter the amount of individual income tax related to this extension. This should reflect the tax amount you are reporting on the extension form.
Line 7, Total Paid: Enter the full amount you are paying with the extension. This is the total remittance being sent with the form.
Line 8, Rounded To The Nearest Dollar: Report the tax and payment figures as whole dollars only. If your calculation includes cents, round the amount to the nearest dollar before writing it on the form.
Line 9, Number And Street: Enter the mailing street address for the entity. Include any suite number, unit number, floor, or other address detail if needed.
Line 10, City: Enter the city that belongs to the mailing address.
Line 11, State: Enter the state for the mailing address. Use the standard state abbreviation if that is how you normally present the address.
Line 12, ZIP Code: Enter the ZIP code for the mailing address. Make sure it matches the address you listed above.
Line 13, Contact Name And Telephone Number: Provide the name of the person the state can contact if there is a question about the extension, along with that person’s telephone number. Choose someone who can answer questions about the filing.
Line 14, VAL Number: Leave this box blank. It is reserved for official use.
Line 15, Signature Of Principal Officer Or Chief Accounting Officer Or Preparer Other Than Taxpayer: This line must be signed by an authorized person. The signer may be the principal officer, the chief accounting officer, or a preparer other than the taxpayer, depending on who is completing the form.
Line 16, Date: Enter the date the form is signed. Use the actual signing date, not the tax year ending date.
Quick Tips To Avoid Mistakes
- Make sure the FEIN and Kentucky NRWH account number are both entered correctly.
- Keep the return type as 09.
- Use the proper MMYY format for the taxable year ending field.
- Enter the entity name and mailing address clearly.
- Round all money amounts to whole dollars.
- Leave the official use box blank.
- Do not forget the signature and date.
