La. Stat. tit. 33 § 136
Upon the preparation of the regional development plan or any phase or functional part thereof, or upon the preparation of any extension of or addition to the plan, the regional planning commission shall file such a plan, part of a plan, amendment, revision, extension or addition in the division of administration, and shall transmit copies of the same to the chief administrative officers, the legislative bodies and to the planning agencies of the parishes, municipalities or other local governments within its area, as well as to regional planning commissions established for adjoining areas. A regional planning commission shall make copies of the regional development plan or part of a plan available for general distribution or sale.
La. R.S. § 33:136