Any person having a legal or equitable ownership interest of record in a property that is nonconforming as to use shall obtain a certificate of occupancy from the office of the Zoning Administrator. Such person shall present documentary evidence that said use was a lawful permitted or conditional use at the time it originated and was made nonconforming by the adoption of this ordinance or any amendment thereto or was made nonconforming by the zoning ordinance in effect at the time this ordinance was adopted. Documentary evidence may include leases, affidavits, lawfully issued permits, certificates of occupancy, and other legal documents, subject to verification of authenticity and accuracy.