Colorado Revised Statutes Title 39. Taxation § 39-27-307. Compliance

(1) The department may initiate and conduct investigations as may be reasonably necessary to establish the existence of any alleged violations of or noncompliance with this part 3 or any rules or regulations issued pursuant to section 39-27-310(2).

(2) For the purpose of any investigation or proceeding under this part 3, the director or any officer designated by the director may administer oaths and affirmations, subpoena witnesses, compel their attendance, take evidence, and require the production of any books, papers, correspondence, memoranda, agreements, or other documents or records which the director deems relevant or material to the inquiry.