A permittee hereunder shall not tow vehicles from private property unless the private property has displayed signs, in plain view at each vehicular entrance to and exit from the property, and with one additional sign, visible from twenty-five feet, for each thirty adjacent and contiguous parking spaces on the property, each sign stating, in letters a minimum of three inches high, that public parking is prohibited, and further stating, in letters a minimum of two inches high, that unauthorized vehicles are subject to tow-away at the owner’s expense, and setting forth the twenty-four-hour nonemergency telephone number of the Marina Department of Public Safety, the telephone number of the contract-patrol permittee authorized to tow vehicles from the property, and the applicable section (§ 22658) of the California Vehicle Code. Letters on such signs shall be with a minimum one-quarter-inch stroke. (Ord. 84-1 § 1, 1984)