All official maps of the state of Louisiana printed or authorized by the state shall indicate the boundaries of the region and, when appropriate, shall show the region in a different color from that of the remainder of the state or other regions of the state.
La. R.S. 25:707
Designation of region on maps of the state
Acts 1990, No. 1021, §1.
Official source: Louisiana State Legislature. Reproduced from public-domain Louisiana statutes; confirm against the official source for the current text. Not legal advice.