Certificate of occupancy for a new building or the alteration of an existing building as required by this Section and Section 500.050 of this Code shall be applied for coincident with the application for a building permit and said certificate shall be issued within three (3) days after the requests for same shall have been made in writing to the Building Inspector after the erection or alteration of such building or part thereof shall have been completed in conformity with the provisions of these regulations. Pending the issuance of a regular certificate, a temporary certificate of occupancy may be issued by the Building Inspector for a period not exceeding six (6) months, during the completion of alterations or during partial occupancy of a building pending its completion. Such temporary certificate shall not be construed as in any way altering the respective rights, duties or obligations of the owners or of the City relating to the use or occupancy of the premises or any other matter covered by this Chapter and such temporary certificate shall not be issued except under such restrictions and provisions as will adequately insure the safety of the occupants.