CRIMES ACT 1914 SECT 36A

A person who:

(a)

threatens, intimidates or restrains;

(b)

uses violence to or inflicts an injury on;

(c)

causes or procures violence, damage, loss or disadvantage to; or

(d)

causes or procures the punishment of;

a person for or on account of his having appeared, or being about to appear, as a witness in a judicial proceeding shall be guilty of an indictable offence.

Penalty: Imprisonment for 5 years.