<P> While the ban affects almost all indoor workplaces, some exemptions were provided: </P> <Ul> <Li> designated hotel rooms </Li> <Li> designated rooms in nursing homes </Li> <Li> designated rooms in prisons </Li> <Li> designated rooms in offshore oil rigs </Li> <Li> designated rooms in mental health units (until 1 July 2008) </Li> <Li> specialist tobacconists in relation to sampling cigars and / or pipe tobacco . </Li> </Ul> <Li> designated hotel rooms </Li> <Li> designated rooms in nursing homes </Li>

When was smoking banned on public transport in the uk