A signature purporting to be that of any of the following persons is evidence of the signature that it purports to be--
(a) the Minister;
(b) the chief executive;
(c) the commissioner;
(d) a tribunal member;
(e) the chairperson or deputy chairperson of the committee;
(f) the chairperson of the board;
(g) the Brisbane registrar or another registrar;
(h) an investigator;
(i) the president of the law society or the bar association.