In Australia, the sale of electronic cigarettes containing nicotine is illegal.
In Austria and Denmark, electronic cigarettes are considered medical devices, and nicotine cartridges medicinal products. Therefore electronic cigarettes need to be CE-marked, and nicotine cartridges registered as medicinal products, before either can be legally sold.
In Canada, compliance of electronic cigarette use with public smoking bans is currently under review.
In Finland, cartridges containing nicotine are illegal to sell, or to purchase with intent to sell, but are not illegal to purchase from overseas sources for personal use only.
In The Netherlands, use of electronic cigarettes is allowed, but advertising is forbidden pending European Union legislation.
In New Zealand, the Ministry of Health has ruled that cartridges containing nicotine fall under the requirements of the Medicines Act, and cannot be sold except as a registered medicine.
In the United Kingdom, electronic cigarette use is currently unrestricted, with celebrity nightclub Chinawhite allowing use of the devices indoors, where traditional cigarette smoking is prohibited.
In the United States, electronic cigarettes are currently unrestricted, but are also not approved as a smoking cessation product. Electronic cigarettes are currently not subject to restriction under the Nevada Clean Indoor Air Act.