A person commits an offence if:
(a) the person is the prosecutor, the defendant or the defendant's legal representative in a federal criminal proceeding; and
(b) the person notifies the Attorney - General under subsection 24(1) that he or she knows or believes that a person (the second person ) whom he or she intends to call as a witness in a federal criminal proceeding will disclose information by the second person's mere presence; and
(c) after giving the notice, the person calls the second person as a witness in the proceeding at any time before the Attorney - General gives the person a certificate under subsection 28(2) or advice under subsection 28(10) in relation to the calling of the second person as a witness; and
(d) the disclosure of the information by the mere presence of the second person is likely to prejudice national security.
Penalty: Imprisonment for 2 years.