public transport. While smoking is also prohibited at the workplace, there is a possibility to choose to allow smoking in one-man office or install special rooms/cabins for smoking. Where children are present (e.g. private day care) smoking is prohibited at all times. All workplaces must have a written smoking policy. This must clearly state if it is allowed to smoke in the workplace, where you can smoke (if it is allowed) and what sanctions will be imposed as a consequence of violation of the policy. Finally, smoking is allowed in bars and cafes smaller than 40 sqm that do not serve food. The law is enforced in any service establishment, which is enclosed by a roof and walls (including tents). The 40 sqm does not include the bar and the area behind the bar, toilets, wardrobe, stairs and similar facilities for the guests. However, the labour inspectorate can order installation of ventilation if workers are exposed to passive smoking. [ 1 ] England On 1 July 2007 , workplaces and enclosed public places in England became smokefree environments. The Health Act 2006 defines enclosed public places and workplaces as being offices, factories, shops, pubs, bars, restaurants, membership clubs, public transport and work vehicles that are used by more than one person. Estonia Bars, restaurants, cafes and nightclubs will come under a complete ban on smoking on 5 June 2007 . Smoking will only be permitted in enclosed smoking rooms with a separarte ventilation system. A complete ban on smoking has