Any license granted hereunder may be revoked by the city manager at any time that it appears that the proposed or actual operation of the carnival will be or is being operated in violation of this chapter or in such manner as to constitute a public nuisance, or to endanger public peace, health, safety or welfare. Any license granted hereunder may be suspended in whole or in part by the city manager at any time that any amusement activity is conducted contrary to the permit or to any state or city law, or when any such amusement activity or portion thereof is conducted so as to constitute a public nuisance or to disturb the peace, or to be injurious to the public peace, health, safety, life, property or welfare, or he may impose reasonable conditions upon operation of the carnival for such reasons and may revoke or suspend such license for failure of the licensee to abide by such conditions. The suspension or revocation shall become effective immediately upon delivery of written notice to the persons in immediate charge of the amusement activity or portion thereof affected by such suspension, or if no such person is found upon the premises, upon the posting of such notice in a prominent place near the entrance to the premises occupied or the portion thereof affected. Such notice shall state in general terms the reason or reasons for such revocation or suspension. (Ord. M-1422 §17, 1973)