Notwe of suit against Board, ste.

No suit shall be instituted against the Board, or any Trustee, or any officer or servant of the Board, o1 any person acting under the direction of the Board or of the Chairman or of any officer or servant of the Board, in respect of any act purporting to be done under this Act or any rule made thereunder until the expiration of one month next after within notice has been delivered or left at the Board's office or the place of abode of such officer, servant or person, stating the cause of action, the name and place of abode of the intending plaintiff and the 1elief which he claims, and the plant must contain a statement that such notice has been so delivered or left.