Home / Tax Resources / State And Federal / Efile-Louisiana-Tax-Return Efile Louisiana State Tax Returns Start For Free Louisiana State Tax Filing Information The eSmart Tax online tax return filing solution makes it easy to efile your Louisiana state tax return using the correct state tax forms. Prepare your full-year resident Louisiana state tax return alongside your federal tax return for your convenience. The regular deadline to file a Louisiana state income tax return is May 15. Find additional information about Louisiana state tax forms, Louisiana state tax filing instructions, and government information. eSmart Tax supports the following Louisiana Tax Forms (Click here to download Louisiana tax forms) Louisiana Form IT-540 Individual Income Tax Return Louisiana Form R-540V Electronic Filing Payment Voucher Louisiana Form 8453 Individual Income Tax Declaration for Electronic Filing Louisiana NRCCC Worksheet Nonrefundable Child Care Credit Worksheet Louisiana NRSRC Worksheet Nonrefundable School Readiness Credit Louisiana RCCC Worksheet Refundable Child Care Credit Worksheet Louisiana RSRC Worksheet Refundable School Readiness Credit Louisiana SED Worksheet School Expense Deduction Worksheet Louisiana Schedule D Donation Schedule Louisiana Schedule E Adjustments to Income Louisiana Schedule F Refundable Tax Credits & Schedule H Modified Federal Income Tax Deduction Louisiana Schedule G Nonrefundable Tax Credits Liberty eSpecial: $50 Off Tax Prep! State LA Website and Contacts State Website www.rev.state.la.us Taxpayer Assistance: (225) 219-0102 TTY/TDD: (225) 219-0102 Refund Status (Automated Response): (888) 829-3071 or (225) 922-3270 Check Refund Status Online: webtax2.rev.louisiana.gov /status/refund/ Special Processing Type: Availability: State-only tax return: Supported Decedent Return: Supported Return with foreign address: Supported PIN Availability: Type: Notes: Supported Same as federal N/A Signature Form Form Name: Instructions: LA R-8453 Do not mail in LA R-8453. Keep it for your own record. State LA Amount Owe Payment Option You have the following options to pay your tax: Send e-payment through state website. Send credit card payment through third-party website. If you are unable to pay your balance in full, contact the Collection Division at (225) 219-7448 to request an installment arrangements. Mail in a check. You need to attach Payment Voucher (Form LA R-540V) Mail check to: Louisiana Department of Revenue P.O. Box 3550 Baton Rouge, LA 70821-3550 State LA Overpayment Option You have the following options: Apply your refund amount to next year's tax payment. Contribute your refund amount to charity. Receive your refund by check through mail. Receive your refund by direct deposit to your bank account.