La. Revenue and Taxation § 47:1689
Any person who uses gasoline colored in accordance with R.S. 47:1684 in any vehicle or engine other than any commercial fishing boat, any vehicle used by a licensed commercial fisherman in the administration of business associated with commercial fishing, any boat used to transport children to or from public or parochial schools, any farm tractor or any farm machinery used in the actual tilling of the soil and production of crops, or any stationary motor used for agricultural purposes, or has in his possession refund gasoline which has not been colored, shall be subject to the following civil penalty: Any claims for refund of gasoline taxes by such person pending with the secretary of the Department of Revenue at the time such violation is discovered shall not be paid; and any claims for refund of such taxes with respect to gasoline consumed during a period of twelve months following discovery of the violation shall not be paid. Whenever the secretary determines that this penalty is applicable, any person aggrieved by such finding shall have a right to appeal to the Board of Tax Appeals.
La. Revenue and Taxation § 47:1689