Whether you’re filing an individual tax return, registering a business, requesting a Power of Attorney, or applying for a resale certificate, the Louisiana Department of Revenue (LDR) provides the forms, instructions, and publications you need.
Search for forms by form number, tax type, keyword, or tax year.
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- IT-540
- Power of Attorney
- Resale Certificate
- Estimated Tax
- Withholding
- Extension
Electronic Filing Available
Many Louisiana tax forms and returns can be completed or filed electronically. Whenever possible, LDR encourages taxpayers to use File & Pay Online or LaTAP instead of submitting paper forms.
Individual Income Tax Return (IT-540)
File a Louisiana Resident Individual Income Tax Return.
File Online Download Form
Nonresident & Part-Year Resident Return (IT-540B)
File a Louisiana Nonresident or Part-Year Resident Individual Income Tax Return.
File Online (not available for first-time filers) Download Form
Louisiana Resale Certificate (R-1064)
Apply for, renew, print, or validate your Louisiana Resale Certificate through LaTAP.
Access LaTAP Learn More
Corporation Income & Franchise Tax Return (CIFT-620)
File a Louisiana Corporation Income and Franchise Tax Return.
Download Form
Employee Withholding Exemption Certificate (L-4)
Complete or update your Louisiana Employee Withholding Exemption Certificate.
Download Form
Power of Attorney (R-7006)
Authorize an individual or business to represent you before the Louisiana Department of Revenue.
Download Form Electronic Submission
Declaration of Estimated Tax (IT-540ES)
Make estimated Louisiana individual income tax payments.
Make an Online Payment LaTap Link Download Form
Business Registration (R-16019)
Apply for a Louisiana Revenue Account Number when online registration is unavailable.
Register a Business (geauxBIZ) Access LaTAP
Nonprofit Fundraising Sales Tax Exemption (R-1048)
Request an exemption from collecting Louisiana state sales tax for qualifying nonprofit fundraising events.
Download Form Learn More
Looking to File a Sales Tax Return?
Louisiana Sales Tax Returns are required to be filed electronically.
File your return, make a payment, view your account, or manage your sales tax account using one of LDR’s secure online services.
File and Pay Taxes
