The deadline for filing state taxes in Louisiana typically follows the federal tax filing deadline. For most taxpayers, this means that the state income tax return is due on April fifteenth. However, if April fifteenth falls on a weekend or holiday, the deadline may be extended to the next business day. It is important to remember that Louisiana offers an automatic extension to file for taxpayers who submit a request by the original deadline. This extension allows individuals to file their tax returns by November fifteenth, although any taxes owed must still be paid by the original April deadline to avoid interest and penalties. It is advisable for taxpayers to check the current web page of the Louisiana Department of Revenue for any updates or changes to these deadlines, as well as for specific information on extensions or special circumstances that may apply. Staying informed about these deadlines helps ensure compliance and avoids unnecessary stress during tax season.