Miss. Code Ann. § 49-7-135

The executive director may proceed immediately to negotiate with the Game and Fish Commission of the State of Louisiana to effectuate a reciprocity agreement with such commission providing that the current hunting and fishing licenses issued to hunters or fishermen of the respective states shall be accepted and recognized by the game and fish commissions of each of the states for the purpose of hunting for migratory water fowl or fishing by the hunters or fishermen of either state in the Pearl River between top bank and top bank along the course where the Pearl River forms a boundary line between the State of Louisiana and the State of Mississippi.