(3) A member of a Board of Inquiry, a former
member of a Board of Inquiry or a person who is or was an authorised officer
is not obliged to comply with a subpoena or similar direction of a court in
relation to civil proceedings to attend and answer questions relating to an
accident or incident or other event, occurrence, practice or matter the
subject of a transport safety inquiry, if the Minister has issued a
certificate under subsection (4).