Application for Louisiana Revenue Account Number

Welcome to the Louisiana Department of Revenue Business ID Number Application.

WE ARE MOVING SOON! Business Online Registration will be moving to Louisiana Taxpayer Access Point (LaTAP) on Friday, October 24, 2014. All registration applications must be completed by Friday October 24, 2014. Incomplete applications will be deleted. The new business online registration will be available in LaTAP on Wednesday, November 5, 2014.