Louisiana Revised Statutes — Title 47 (Revenue and Taxation)
La. R.S. 47:1686 — Regulation of color of gasoline generally
In order to assure that the color of gasoline to be used for refundable purposes, other than for operating or propelling aircraft, shall be distinctive, the collector of revenue is authorized to limit by rules and regulations the colors which may be used in gasoline generally.
Source: official text