The board of supervisors shall publish a notice of the fact that the petition has been filed and refer to it on file with the clerk of the board of supervisors for further particulars. The notice shall give the time and place at which the petition shall be heard, and direct all parties interested to appear at that time and place, and show cause, if any they have, why the petition should not be granted.

(Added by Stats. 1943, Ch. 285.)