Application for permits, permit modifications, amendments, and other matters pertaining to this Development Code shall be filed with the Department on a City application form, together with all fees, plans, maps, and any other information required by the Department. The application shall be made by the owner(s) or lessee(s) of property, or their agent(s), or person(s) who have contracted to purchase property contingent upon their ability to acquire the necessary permits under this Development Code, or the agent(s) of such persons.