An escort officer may discharge a firearm that is a prescribed non-lethal firearm at a person if the escort officer reasonably believes that discharging the firearm is the only practicable way to—
(a) prevent, control or stop a riot in a prison; or
(b) prevent a serious threat to the security or good order of the prison.
S. 55F inserted by No. 45/2001 s. 15.