[Commissioner's power relative to oaths, witnesses and

documents.] In such contests, the commissioner shall have the same power as conferred by law upon referees relative to the administration of oaths, examination of witnesses and production of books, documents and other papers. History: Laws 1912, ch. 82, § 70; Code 1915, § 5248; C.S. 1929, § 132-182; 1941 Comp., § 8-864; 1953 Comp., § 7-8-69.