Miss. Code Ann. § 65-1-503

The Mississippi Transportation Commission may negotiate and enter into interstate agreements with contiguous states through their appropriate officials, departments or agencies, to jointly provide for the location, construction, staffing and operation of portable or permanent scales for the weighing of vehicles and trailers, for the issuance of permits, for the collection of fees, taxes, and assessments, and for the enforcement of the laws of this state and the rules and regulations of the Mississippi Transportation Commission, and the laws of such contiguous states and the rules and regulations of its appropriate agencies or departments.