La. Roads, Bridges and Ferries § 48:422
Except as otherwise provided in this Section, no member of the legislature or officer of the executive department of the state shall be in any way interested in any contract for the building or improving of any public work coming under the supervision of the Department of Transportation and Development or in any contract for the furnishing of any material or supplies of any kind to be used in connection therewith, nor shall any such member or officer receive any gratuity, commission, or payment of any sort as compensation for the procurement of any such contract.
Nothing contained in this Section prohibits members of the legislature or officers of the executive department of the state who are licensed contractors under the laws of this state from bidding on any contract for the building or improving of any public work coming under the supervision of the Department of Transportation and Development nor from being awarded such contracts on a competitive basis as provided by law.
Whoever violates the provisions of this Section shall be fined not more than one thousand dollars or imprisoned for not more than twelve months, or both, and shall be removed from his position by the governor if he is an officer of the executive department.
La. Roads, Bridges and Ferries § 48:422