3 Smoke-free premises: exemptions
(1) The appropriate national authority may make regulations providing for
specified descriptions of premises, or specified areas within specified
descriptions of premises, not to be smoke-free despite section 2.
(2) Descriptions of premises which may be specified under subsection (1) include,
in particular, any premises where a person has his home, or is living whether
permanently or temporarily (including hotels, care homes, and prisons and
other places where a person may be detained).