Prohibition No Smoking Signs - This section contains all our No Smoking Signs, Designated Smoking Area Signs To comply with government legislation EN ISO 7010:2012 and the Smoke-free (Signs) Regulations 2007. It is against the law to smoke anywhere other than designated areas, you are responsible for ensuring that the correct signage is used within your premises / workplace, failure to do so could result in your company receiving a fine or even facing criminal charges. The signs available in our no smoking section allow you to send a clear message to anyone on your premises that smoking is only allowed within designated areas.