No licensee shall employ, hire or retain the services of any individual who is under the age of eighteen years old. No licensee shall knowingly employ, hire or retain the services of, or continue to employ or retain, any individual who has been convicted of any of the offenses set forth in subsection (b) of Section 4.56.060, or who has failed to obtain the permit required by Section 4.56.060.
(Ord. 3113 § 1 (part), 1979)