The law only requires signage for cigar shops and tobacco retail outlets, but other businesses may post signs to help inform customers about the law.
Cigar shops must post a sign on all entrances to the cigar shop, on the outside of each door, in a conspicuous location slightly above or next to the door, with the following statement: SMOKING OF CIGARS AND PIPES IS ALLOWED INSIDE THIS BUSINESS. SMOKING OF CIGARETTES IS NOT ALLOWED.
Tobacco retail outlets must post a sign on all entrances to the tobacco retail outlet, on the outside of each door, in a conspicuous location slightly above or next to the door, with the following statement: SMOKING OF CIGARS AND PIPES IS ALLOWED INSIDE THIS BUSINESS. SMOKING OF CIGARETTES IS NOT ALLOWED.