Section 144-249-3 - POSTING SIGNS, NOTIFICATIONSA. Signs must be posted conspicuously in buildings and outdoors where smoking is regulated. Designated smoking areas must have signs that read "Smoking Permitted" with letters at least one inch in height. Places where smoking is prohibited must have signs that read "No Smoking" with letters at least one inch in height or the international symbol for no smoking.B. Notification; request for compliance. An eating establishment with an outdoor eating area shall post signs in accordance with 22 M.R.S. §1543, notify its patrons of the prohibition on smoking in outdoor eating areas and request that all persons within an outdoor eating area comply with this section.10- 144 C.M.R. ch. 249, § 3