The following persons are authorised to act as specified officers—
(a) a prison officer who is a community corrections officer referred to in section 12(4) of the Corrections Act 1986 ;
(b) a prison officer belonging to a class of prison officers who are community corrections officers referred to in section 12(4) of the Corrections Act 1986 ;
(c) a member of a class of prison officers who are community corrections officers referred to in section 12(4) of the Corrections Act 1986 .