4. The Mechanism shall have the power to prosecute, in accordance with the provisions of the present Statute—
(a)any person who knowingly and wilfully interferes or has interfered with the administration of justice by the Mechanism or the Tribunals, and to hold such person in contempt; or
(b)a witness who knowingly and wilfully gives or has given false testimony before the Mechanism or the Tribunals.
Before proceeding to try such persons, the Mechanism shall consider referring the case to the authorities of a State in accordance with Article 6 of the present Statute, taking into account the interests of justice and expediency.