Louisiana Withholding Tax Form (L-1 Return) - 3rd Quarter - Semi-Monthly Payment Frequencies
Tuesday, October 15, 2026
Employers are required to file the L-1 return for the third quarter if they have semi-monthly payment frequencies.
An official Louisiana.gov website.
The .gov means it’s official.
Louisiana government websites often end in .gov. Before sharing sensitive information, make sure you’re on a Louisiana government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.