Whenever inspections of the premises used for or in connection with the operation of a licensed business or occupation are provided for or required by ordinance, or to detect violations thereof, or may be desired by the Mayor or the Council, it shall be the duty of the licensee, or the person in charge of the premises, to admit thereto any officer or employee of the city who is authorized or directed to make such inspection or investigation at any reasonable time that admission is desired or requested.
(‘82 Code, § 5.02.130)