Louisiana Revised Statutes Tit. 47, § 519.1. License plates issued to manufacturers, wholesalers, or distributors

A. The secretary may, subject to the limitations and conditions hereinafter set forth, deliver temporary registration plates or markers designed by the secretary to a motor vehicle manufacturer, wholesaler, or distributor who applies for them and who encloses with such application a fee of one hundred dollars for the first set for which application is made, and a fee of three dollars for each subsequent set for which application is made. Such application shall be made upon a form prescribed and furnished by the secretary.

B. Every manufacturer, wholesaler, or distributor who has made application for temporary registration plates or markers shall maintain in permanent form a record of all temporary registration plates or markers delivered to him, and in addition thereto, shall maintain in permanent form a record of any other information pertaining to the receipt and use of temporary registration plates or markers that the secretary may require. Each record shall be kept for a period of at least three years from the date of entry of such record. Every manufacturer, wholesaler, or distributor shall allow full and free access to such records during business hours to duly authorized representatives of the secretary.

C. A manufacturer, wholesaler, or distributor owning any new previously unregistered vehicle of a type otherwise required to be registered may operate or move same upon the highways and public street solely for the transporting or testing of such vehicles or in connection with public civic events, without registering such vehicle, upon condition that any such vehicle display a temporary registration plate in the manner prescribed by law.