A rail safety worker must not be on duty or carry out, or attempt to carry out, rail safety work –

(a) while any alcohol is present in his or her blood or breath; or

(b) while a prescribed illicit drug is present in his or her oral fluid or blood; or

(c) while under the influence of any substance (other than a prescribed illicit drug) to the extent that he or she is incapable of effectively discharging a function or duty of a rail safety worker.

Penalty:  Fine not exceeding 100 penalty units.