89. Notice of suits by parties against Board.- No suit shall be instituted against the Board in respect of any act purporting to be done by it in pursuance of this Act or of any rules made thereunder, until the expiration of two months next after notice in writing has been delivered to, or left at, the office of the Board, stating the cause of action, the name, description and place of residence of the plaintiff and the relief which he claims; and the plaint shall contain a statement that such notice has been so delivered or left. | 