La. Stat. tit. 56 § 339
On and after March 1, 1951, resident and nonresident persons of Louisiana and foreign corporations are prohibited from seining for and catching menhaden or other species of fish not ordinarily used for human consumption in the inside and outside waters over which Louisiana has jurisdiction, to be transported to another state for the purpose of rendering and processing same, unless the state, to which the menhaden or other such species of fish are transported for the purpose of rendering and processing, permits citizens of Louisiana and Louisiana corporations the like privilege to seine for and catch and transport into Louisiana for the purpose of rendering and processing same, under the same conditions as provided by Louisiana law, menhaden and other like species of fish in the waters over which that state has jurisdiction.
La. R.S. § 56:339