(1) No officer or servant shall, except with the previous sanction of the Managing Director of the Board, have recourse to any court or to the press for the vindication of any official act which has been the subject matter of adverse criticism or an attack of defamatory character:
Provided that nothing in this clause shall be deemed to prohibit an officer or servant from vindicating his private character or any act done by him in his private capacity.
(2) No officer or servant shall, except with the previous sanction of the Managing Director of the Board, accept from any person or body of persons compensation of any kind for any malicious prosecution brought against him or for any defamatory attack made on his public acts or character unless such compensation has been awarded by a competent court.