Section 60 of the Principal Act is amended -

(a) in subsection (1), by substituting "by a person" for "by an officer of the Commissioner,", and

(b) by substituting for subsection (2) the following:

"(2) The production to the Tribunal or a court of a document purporting to be a copy of a valuation list or part of such a list and to be certified as such a copy by an officer of the Commissioner or other person duly authorised to do so, shall, without proof of the signature of that officer or other person that he or she was duly authorised by the Commissioner to so certify the document, be sufficient evidence, until the contrary is proved, of the matters stated in the document.".