Second, our data show that e-cigarette manufacturers are manipulating e-liquid formulations apparently to circumvent flavor chemical regulations.
2.Poorly Printed Codes and Glare The DotCode and DataMatrix codes are usually placed at the side of the cigarette boxes and contain 30 to 50 digits
San Francisco Mayor Ed Lee endorsed the proposal
However, when people use products like nicotine patches and nicotine gum to help them quit smoking, studies have shown that people usually use these products for 10-12 weeks or less and then stop

According to the Tobacco 21: Model Policy backed by a consortium of national public health groups, strong MLSA policies: Define tobacco products to include current and future tobacco products, including e-cigarettes Prohibit the sale of tobacco products to persons under the age of 21 Require the tobacco retailer or their employee to verify the age of the purchaser prior to the sale Require tobacco retailers to post signs stating that sales to persons under the age of 21 are prohibited Designate an enforcement agency and establish a clear enforcement protocol Create a tobacco retail licensing program if the jurisdiction has the authority to do so under state law Dedicate funding to fully cover enforcement costs, either through licensing fees or as a provision in a state statute or local ordinance Provide authority for the state, county, or municipality to inspect tobacco retailers for compliance with MLSA 21 and a mandated minimum number of annual compliance checks for every tobacco retail establishment Provide penalties focused on the tobacco retailer or licensee rather than the youth purchaser or non-management employee

So while you can discourage smoking at your property, and even enforce penalties like fines and additional cleaning fees for guests who smoke inside, its not a bad idea to provide an outdoor smoking area