The registrar and all assistant registrars shall be sworn before the judge, and a record thereof shall be made. They may administer oaths in all cases in which an oath is required, to persons appearing before them in matters pertaining to the registration of land. They shall keep accurate accounts of all moneys received as fees or otherwise, which shall be subject to examination by the clerk of the supreme court, in the same manner as accounts of deputy clerks. They shall pay over such moneys monthly to the director of finance.