La. Stat. tit. 56 § 68.1
The secretary may enter into an agreement with the United States Department of the Interior and the National Marine Fisheries Service of the United States Department of Commerce to allow said secretary to issue special commissions to federal fish and wildlife agents. The commissions shall allow federal fish and wildlife agents to enforce Louisiana wildlife and fisheries laws, rules, and regulations only in Avoyelles Parish, Calcasieu Lake, and the federal wildlife refuges in Cameron and Calcasieu Parishes. The federal agents acting pursuant to such special commissions shall have the same powers and duties as are provided for regularly commissioned officers of the enforcement division of the department. These powers and duties shall include making arrests and conducting searches and seizures. Such federal agents shall also be granted the rights, powers, privileges, and immunities provided by this Subpart and shall be governed by departmental policies in the fulfillment of such powers and duties.
La. R.S. § 56:68.1