(1) The Commissioner may issue directions to police officers relating to the following:
(a) the consumption, and presence in the body, of alcohol or drugs while on duty, reporting for duty, on standby or on availability;
(b) the consequences of a positive test for alcohol or drugs;
(c) the follow-up testing of a police officer who has tested positive for alcohol or drugs;
(d) the procedures for rehabilitation;
(e) any other matter the Commissioner considers appropriate.
(2) The Commissioner must issue directions to police officers relating to
(a) the confidentiality of
(i) any test or sample taken or given under section 50; and
(ii) any certificate relating to the analysis of a sample; and
(b) the security and safekeeping of samples taken or given under section 50.