Request for certified list of property owners within 200 feet. Upon written request of an applicant, the Board Secretary shall request the Tax Assessor to make and certify, within seven (7) days, a list from the current tax duplicates of the names and addresses of owners to whom the applicant is required to give notice. In addition, the Tax Assessor shall include on the list the names, addresses and positions of those persons who, not less than seven (7) days prior to the date on which the applicant requested the list, have registered to receive notice as a public utility, cable television company or local utility. The applicant shall be entitled to rely upon the information contained in such list, and failure to give notice to any owner or to any public utility, cable television company or local utility not on the list shall not invalidate any hearing or proceeding.