Louisiana Tax Forms 2018
Printable State LA IT-540 Tax Form and Instructions

2018 Louisiana Tax Forms
Free printable 2018 LA IT-540 tax forms and instructions booklet in PDF format for Louisiana state income tax returns.

Printable Louisiana (LA) state income tax form IT-540 must be postmarked by May 15, 2019 in order to avoid penalties and late fees. Printable Louisiana state tax forms for the current tax year will be based on income earned between January 1, 2018 through December 31, 2018. The Louisiana income tax rate for 2018 is progressive from a low of 2% to a high of 6%. The Louisiana state tax table can be found below the form IT-540 instructions booklet PDF.

Preparation of your Louisiana income tax forms begins with the completion of your federal income tax forms. Some of the Louisiana state income tax forms require information from your federal income tax return, for example. If you have not done so already, please begin with your federal 1040 using the links above or on the left side navigation. Remember that federal tax forms 1040EZ and 1040A have been discontinued for the 2018 - 2019 filing season.

2018 Louisiana IT-540 Tax Form and Instructions

Form IT-540 (fillable)
Form IT-540 Instructions
Form IT-540 Tax Table

Frequently Required Louisiana Tax Forms, Schedules:
IT-540B - Nonresident Income Tax Return
IT-540B Instructions - Nonresident Income Tax Return
IT-540ES - 2019 Louisiana Estimated Tax Voucher
IT-540ES Instructions - 2019 Louisiana Estimated Tax Payment
R-210R - 2018 Underpayment Penalty Worksheet
R-210R Instructions - 2018 Underpayment Penalty Worksheet
R-1035 - Consumer Use Tax Return and Payment Coupon
R-6505 - Louisiana Name and Address Change Form

List of all printable LA state income tax forms.

Click any 2018 Louisiana state income tax form title above to download, view, print, and save the PDF file. The PDF file format allows you to safely print, prepare, and mail in your 2018 Louisiana state tax forms.

The Louisiana Department of Revenue will expect your 2018 income tax forms to be printed on high quality printers. Today's laser, bubble-jet, or ink-jet printers are generally acceptable. Color printing is not required, however, we recommend that you read the first few pages of the LA IT-540 instructions booklet for updates regarding the printing of your 2018 Louisiana state tax forms.

Louisiana State Income Tax Refund Status

To check your 2018 IT-540 income tax refund status online, visit the Louisiana Department of Revenue website and use their Where's My Refund service. Louisiana Department of Revenue states that you can expect to receive your refund within 3 weeks if you efile compared to 8-10 weeks if filing on paper. Paper refund checks will usually be issued within two weeks.

To check your Louisiana income tax refund status for 2018 you will need the following information:

  • Social Security Number
  • Tax Year
  • Filing Status
  • Refund Amount

The requested information must match what was submitted on your Louisiana IT-540 state income tax forms. The Louisiana Department of Revenue refund lookup service can be used to query the income tax years 2016, 2017, 2018. Contact the Louisiana Department of Revenue service center by phone or mail if you are having trouble using the service.

To contact the Louisiana Department of Revenue service center by phone or email, use the check your refund status link above. Alternatively, view or print the 2018 Louisiana IT-540 instructions to obtain the proper phone number and mailing address.

Last updated: April 6, 2019