File Louisiana Form IT-540
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Louisiana Form IT-540
Louisiana Individual Resident Income Tax Return (Long)
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Form IT-540 is the long individual income tax return for Louisiana taxpayers. You can file it if you are a resident. If you are married and file jointly with your spouse, both of you have to be residents to be eligible to file this form. If you are a nonresident, choose Form IT-540B. You can use Form IT-540 to amend your tax returns as well.