Except where other signs are required, whenever in this chapter smoking is prohibited, conspicuous signs shall be posted so stating, containing all capital lettering not less than one inch in height on a contrasting background and/or the international No Smoking logo. It is the duty of the owner, operator, manager, or other persons having control of such room, building, or other place where smoking is prohibited, to post such signs or to cause such signs to be posted. (Ord. 4678 § 1 (part); March 18, 1986.)