139. No action under article 33 of the Code of Civil Procedure, or extraordinary recourse within the meaning of such code, or injunction shall be exercised against any council of arbitration, court of arbitration, arbitrator on grievances, certification agent, labour commissioner or the Court by reason of any act, proceeding or decision relating to the exercise of their functions.
R. S. 1964, c. 141, s. 121; 1969, c. 47, s. 39; 1977, c. 41, s. 1, s. 57.