La. Stat. tit. 33 § 127
Every parish development board shall immediately upon its creation undertake to secure, organize, and interpret as much information as may be available with regard to the resources and facilities of the parish and shall prepare in writing a plan and report for the development of the resources and facilities according to the best interests of the parish concerned. The plan and report may contain information showing the location and condition of the streets, highways, bridges, waterways, parks, aviation facilities, commercial airlines, pipe lines, railroads, electric power lines, mines, factories, forests, other natural resources, public utilities, and other pertinent and appropriate information. The plan and report shall include definite recommendations by the board for the utilization and correlation for better economic use and distribution of the resources of the parish. The board may adopt one or more parts of the plan from time to time as it is compiled or may adopt the plan in full when completed; but immediately upon the adoption of any part or the whole of the plan, the same shall be immediately reported in writing to the police jury which created the board. The completed plans and reports shall be presented in printed form for public distribution.
La. R.S. § 33:127