The Building Inspector shall advise the applicant in writing of any deficiencies in the application within 14 calendar days of receipt of a complete application, as well as notify the Zoning Administrator of the application. The Building Inspector shall, within 30 days of receipt of a complete application that fully complies with the requirements of this chapter and the Building Code, issue the certificate of occupancy. No certificate of occupancy issued after the effective date of this chapter shall be valid without the signatures of both the Building Inspector and the Zoning Administrator. The Building Inspector shall certify compliance with the Building Code and the Zoning Administrator shall certify compliance with the other requirements of this chapter.