Section 41-229 - WITNESSES AND EVIDENCE(1) As to the subject of any examination, investigation, or hearing being conducted by him the director or any deputy or examiner appointed by him may administer oaths, examine and cross-examine witnesses, receive oral and documentary evidence, and shall have the power to subpoena witnesses, compel their attendance and testimony, and require by subpoena the production of books, papers, records, files, correspondence, documents and other evidence which he deems relevant to the inquiry.(2) If any individual refuses to comply with any such subpoena or to testify as to any matter concerning which he may be lawfully interrogated, the district court of the county wherein such examination, investigation, or hearing is being conducted or of the county wherein such individual resides, on the director's application may issue an order requiring such individual to comply with the subpoena and to testify; and failure to obey such an order may be punished by the court as a contempt thereof.(3) Subpoenas shall be served, and proof of such service made, in the same manner as if issued by a district court. Witness fees and mileage, if claimed, shall be allowed the same as for testimony in a district court.(4) Any individual wilfully testifying falsely under oath as to any matter material to any such examination, investigation or hearing shall upon conviction thereof be guilty of perjury and shall be punished accordingly.[41-229, added 1961, ch. 330, sec. 46, p. 645.]