La. R.S. 26:907.1

The commissioner shall have the authority to examine invoices and sales and tax records of the holder of any permit issued under this Chapter. Such examination shall be conducted for the purpose of determining whether the permittee is a bona fide wholesale dealer or retail dealer who is operating in compliance with the requirements of this Chapter. The invoices and records examined shall be held confidential and shall not be made public by the commissioner unless it is necessary for them to be used in a judicial or administrative action to determine such matter.