Inspector-General of Intelligence and Security Act 1986

A person who is detained in custody is entitled:

upon making a request to the person in whose custody he or she is detained or to any other person performing duties in connection with that detention:

to be provided with facilities for preparing a complaint in writing to the Inspector‑General under this Act, for furnishing in writing to the Inspector‑General after the complaint has been made any other relevant information and for enclosing the complaint or other information (if any) in a sealed envelope; and

to have sent to the Inspector‑General, without undue delay, a sealed envelope addressed to the Inspector‑General; and

to have delivered to him or her, without undue delay, any sealed envelope addressed to him or her and sent by the Inspector‑General that comes into the possession or under the control of the person in whose custody he or she is detained or of any other person performing duties in connection with that detention.

A sealed envelope referred to in subsection (1) must not be opened by a person other than the addressee or a person acting on behalf of the addressee.

For the purposes of subsections (1) and (2), the Inspector‑General may make arrangements with the appropriate authority of a State or Territory for the identification and delivery of sealed envelopes sent by the Inspector‑General to persons detained in custody in that State or Territory.