Agents and employees of the Mississippi Department of Transportation who are charged with the enforcement of the weight laws and the motor vehicle privilege tax laws of this state pursuant to Sections 63-5-43 and 27-19-137, Mississippi Code of 1972, shall, as soon as practicable after being appointed enforcement personnel, and in order to continue serving as such, successfully complete a course of instruction at the Mississippi Law Enforcement Officers’ Training Academy, which course shall be established by an agreement between the Mississippi Department of Transportation and the Commissioner of Public Safety pursuant to Section 45-5-7, Mississippi Code of 1972.