In conjunction with an application for a change of zone, a variance or any other action where a public hearing is to be held, a list of names and addresses of all owners of property surrounding the subject property shall be submitted by the applicant with his application. The list shall include the owners of all property within a radius of 500 feet of the exterior boundaries of the subject property, and said list shall be accompanied by an affidavit certifying that it is a true and correct list taken from the latest available assessment roll of Los Angeles County.
('64 Code, § 90.00)