CRIMES ACT 1914 SECT 46

(1)

Any person who:

(a)

aids a person in escaping, or attempting to escape, from lawful custody in respect of any offence against the law of the Commonwealth or of a Territory;

(aa)

aids a person who has been lawfully arrested in respect of any offence against a law of the Commonwealth or of a Territory to escape, or to attempt to escape, from that arrest;

(ab)

aids a person who is lawfully detained