Industrial Relations Act 1946
Seal of the Court.
18.—(1) The Court shall have an official seal which shall be judicially noticed.
(2) The seal of the Court shall, when affixed to any document, be authenticated by the signature of the chairman or the registrar of the Court or of a person authorised by the Court to authenticate it.
(3) Every document purporting to express an order, award or other decision of the Court and to be sealed with the seal of the Court authenticated in accordance with this section shall, unless the contrary is proved, be deemed to have been duly and lawfully so sealed and shall, unless as aforesaid, be received in evidence as such order, award or decision without further proof and, in particular, without proof of any signature affixed to such document for the purpose of such authentication and without proof of the office or authority of the person whose signature such signature purports to be.