The department of labor and industrial relations shall:
(1) Enforce the child labor provisions of this chapter;
(2) Enforce this chapter relative to the regulation of commercial employment agencies;
(3) Enforce any other labor laws enacted by the legislature of the State;
(4) Enforce the provisions of section 394B-9 regarding dislocated workers;
(5) Enforce any rules or regulations of the department. The department may institute proceedings to enjoin any employer from violating this chapter or the rules or regulations of the department when any such employer is violating any such provision or is threatening to do so and the circuit courts are hereby vested with jurisdiction in the premises;
(6) Conduct investigations in connection with the foregoing; and
(7) Perform such additional duties as the director of labor and industrial relations shall by rule prescribe.