Proceedings shall be initiated by application. The application shall be filed with the Clerk of the Board. The application shall set forth specific facts of the matter in sufficient detail to notify the parties of the nature of the proceeding to place the parties upon notice as to how any proposed action may affect their interest so that they may formulate their defense or opposition without being subjected to surprise. The application shall contain the name and address of the applicant and, to the extent known by the applicant, of all parties. (Rule 44, Ord. 555)