If the inspector gives written advice in relation to an occupational health and safety matter to:
(a) the person in command; or
(b) an operator; or
(c) a contractor; or
(d) an involved union; or
(e) a health and safety representative; or
(f) an employee;
whether in the course of an investigation under this Part into an occupational health and safety matter or on being asked, the inspector must make available a copy of the advice to any interested party.