Section 43.05.040 - Inspection of records or premises and issuance of subpoenas(a) The department may examine the books, papers, records, or memoranda of any person to ascertain the correctness of a return filed or to determine whether a tax is due, or in an investigation or inspection in connection with tax matters. The records and the premises where a business is conducted shall be open at all reasonable times for official inspection, and the department may subpoena any person to appear and produce books, records, papers, or memoranda bearing upon tax matters and to give testimony or answer interrogatories under oath respecting tax matters. The department may administer oaths to persons who are so subpoenaed. A subpoena issued under this section may compel attendance of a witness or production of a document or thing, located either inside or outside the state, to the maximum extent permitted by law.(b) A subpoena may be served by the commissioner of public safety or a peace officer designated by the commissioner of public safety, by a person designated by the Department of Revenue, or as otherwise provided by law. A subpoena may also be served by registered or certified mail for delivery restricted only to the person subpoenaed. The return delivery receipt must be addressed so that the receipt is returned to the department.(c) If a person who is subpoenaed neglects or refuses to obey the subpoena issued as provided in this section, the department may report the fact to the superior court or the appropriate court of another jurisdiction, and may seek an order from the court compelling obedience to the subpoena. The court, to the maximum extent permitted by law, may compel obedience to the subpoena to the same extent as witnesses may be compelled to obey the subpoenas of the court.