The Chief of Police may, when violations of law in the neighborhood exceed the average for like areas in the city or for violations of this chapter, revoke any permit issued hereunder or for any of the reasons set out in Section 3.48.060, or he may place as a condition, at the time of granting any permit or as a condition to avoid a revocation of an existing permit, the requirement that the management employ one or more special officers, to be approved by the Chief of Police, to keep the peace and enforce the statutes and ordinances during all times when dancing is allowed. (Ord. 1921 § 2 (part), 1973).