Notwithstanding any law to the contrary, neither the secretary nor a public employee may reveal facts contained in a report or return required by this Part or any information obtained from a dealer; nor can any information contained in such a report or return or obtained from a dealer be used against the dealer in any criminal proceeding, unless independently obtained, except in connection with a proceeding involving taxes due under this Part from the dealer making the return.
La. Revenue and Taxation § 47:2605