(cf clause 80GH of EP[#38]A Regulation 1994)
A person must not--
(a) place anything that may impede the free passage of persons--(i) in a stairway, passageway or ramp serving as or forming part of a building's fire exit, or(ii) in a path of travel leading to a building's fire exit, or
(b) interfere with, or cause obstruction or impediment to, the operation of any fire doors providing access to a stairway, passageway or ramp serving as or forming part of a building's fire exit, or
(c) remove, damage or otherwise interfere with a notice referred to in clause 183.