The board of supervisors shall give written notice of the time and place for hearing any appeal filed pursuant to Section 17.54.670. Such notice may be published and shall be given to the applicant, to the appellant, to the agency which made the order appealed, and to any other person requesting such notice and depositing with the clerk of the board a self-addressed, stamped envelope to be used for that purpose. (Prior gen. code § 8-102.3)