It is unlawful for any person to loiter or trespass upon private property between the posted hours when he or she has no obvious business to be upon said property, and is causing a nuisance by being noisy or tumultuous, or by such conduct as could result in damage or litter to the private property, when said private property has been posted with .a sign by the property owner notifying said persons that the provisions of this section are in effect upon said private property. Such sign shall be posted at each entrance to such off-street facility and shall be not less than seventeen inches by twenty-two inches in size with lettering not less than one inch in height.
(Ord. 400 § 1,1982).