The Tax Director, or any authorized employee, is hereby authorized to examine the books, papers, records and Federal income tax returns of any employer or of any taxpayer or persons subject to, or who the Tax Director believes is subject to the provisions of this chapter, for the purposes of verifying the accuracy of any return made, or, if no return was made, to ascertain the tax due under this chapter. Every such employer, supposed employer, taxpayer, or supposed taxpayer is directed hereby and required to furnish upon written request by the Tax Director, or his duly authorized agent or employee, the means, facilities, and opportunity for making such examinations and investigations as are hereby authorized.
The Tax Director is hereby authorized to order any person presumed to have knowledge of the facts to appear before him and may examine such person, under oath, concerning any income which was or would have been returned for taxation or any transaction tending to affect such income, and for this purpose may compel the production of books, papers, records and Federal income tax returns and the attendance of all persons before him, whether as parties or witnesses, whenever he believes such persons have knowledge of such income or information pertinent to such inquiry.