The reliefs in subsection (2) apply where a person—
The reliefs are—
"Emergency circumstances" means circumstances which are present or imminent and are causing or likely to cause—
A person is "responding to emergency circumstances" if the person—
For the purposes of this section, circumstances to which a person is responding are to be taken to be emergency circumstances if the person believes and has reasonable grounds for believing they are or may be emergency circumstances.
"Emergency responder" means—
For the purposes of subsection (6)—
The Treasury may, by regulations made by statutory instrument, extend the definition of "emergency responder" in subsection (6).
Regulations under this section are subject to annulment in pursuance of a resolution of the House of Commons.