58. It shall be an offence for any person or company to fail or refuse, without reasonable excuse:(a) to furnish, within the specified time, any information or document required under this act or the regulations;
(b) in the course of an investigation by the Commission or an investigator, to appear after summons or to give evidence, or to answer questions, or to produce any document, paper or thing the production whereof is required, or to permit the examination or the taking possession of documents, property, records or things by the accountants or experts contemplated in section 57, or to answer the questions put by such accountants or experts.