A certificate of occupancy shall be required of all lawful nonconforming uses of land or buildings created by this Ordinance. A fee as provided for in SECTION 19.0 of this Ordinance shall be charged for said certificate. Applications for such certificates of occupancy for nonconforming uses of land and buildings shall be filed with the Building Inspector by the owner or lessee of the land or building occupied by such nonconforming uses within six (6) consecutive calendar months of the effective date of this Ordinance. Failure to apply for such certificate of occupancy will place upon the owner and lessee the entire burden of proof that such use of land or buildings lawfully existed on the affective date of this Ordinance. It shall be the duty of the Building Inspector to issue a certificate of occupancy for lawful nonconforming uses upon application and such certificate shall identify the intent to which the nonconforming uses exist at the time of issuance of such certificate.