(1) For the purpose of determining whether or not a person is a fit and proper person to be admitted as a barrister and solicitor of the High Court, the High Court or the New Zealand Law Society may take into account any matters it considers relevant and, in particular, may take into account any of the following matters:
(d) whether the person has engaged in legal practice in New Zealand when not admitted under this Act or a corresponding law, or not holding an appropriate New Zealand practising certificate, as required by law: