After section 333--
insert--
'(1) This section applies to each of the following persons (a relevant person)--
(a) the GRMO;
(b) a director or other officer of the GRMO acting within the scope of the person's directorship or other office with the GRMO;
(c) an employee of the GRMO acting within the course of the employee's employment with the GRMO.
'(2) Section 315(2) to (4) continues to apply to a relevant person.
'(3) In this section--
GRMO means a body corporate--
(a) appointed by the Minister under section 257A, as in force immediately before the commencement of this section, to be the gas retail market operator; and
(b) in existence as the operator immediately before the commencement of this section.'.