La. Roads, Bridges and Ferries § 48:2085
Notwithstanding any law to the contrary or the requirements of this Chapter, the authority may accept unsolicited proposals for design build projects in excess of one hundred million dollars. If the authority receives an unsolicited proposal of the design build project, the authority shall notify the department and the department shall review the unsolicited proposal and notify interested bidders by public advertisement throughout the state for a period of thirty days. Interested parties shall submit a formal request of consideration within thirty days. Interested bidders shall be allowed no more than one hundred twenty days to submit an unsolicited proposal including schedule, design, and cost. All proposals for a design build project received pursuant to this Section shall comply with all applicable provisions of law regarding the design build method, and the review cost shall be nonrefundable should the project not move forward.
La. Roads, Bridges and Ferries § 48:2085