IT-540ES: Estimated Tax Declaration Voucher for Individuals (2025)
Louisiana · Louisiana LDR · Used for tax years 2025
Form IT-540ES is Louisiana’s 2025 estimated tax declaration voucher for individuals. It records your payment amount, name, address and Social Security number, with fields for your spouse’s information.
What you'll need
To complete the voucher, have these details ready:
- Your name and Social Security number.
- Your spouse’s name and Social Security number, if applicable.
- Your address, including city, state, and ZIP code.
- The payment amount and payment due date.
- Your fiscal year ending date, if you are not using calendar year 2025.
If mailing the voucher, include your payment. Do not send cash.
How to file
Online payments: Estimated tax payments and address changes can be made at Louisiana Taxpayer Access Point (LaTAP).
By mail: Complete the voucher and mail it with your payment to:
Louisiana Department of Revenue
P.O. Box 91007
Baton Rouge LA 70821-9007
Do not send cash. Do not fold or staple the voucher.
Common mistakes
- Sending cash: The voucher says not to send cash.
- Folding or stapling the voucher: The form says not to fold or staple it, to ensure proper credit.
Questions people ask
What is IT-540ES for?
It is Louisiana’s estimated tax declaration voucher for individuals. This version is for calendar year 2025 or the fiscal year ending date entered on the form.
Can I make an estimated tax payment online?
Yes. The form says estimated tax payments can be made at www.revenue.louisiana.gov/latap.
Where can I update my address?
The form says address changes can be made at www.revenue.louisiana.gov/latap.
How many vouchers are included?
The form includes four vouchers, numbered 1 through 4.