(1) In case of disobedience of any summons issued and served under the rules of this subchapter or of the refusal of any witness to testify as to any material matter with regard to which the witness may be interrogated in a proceeding before the department, the department will apply to a district court in the state for an order to compel compliance with the summons or the giving of testimony.

(2) If another method of summons enforcement or compelling testimony is provided by statute, the department may use it as an alternative to the methods provided for in the rules of this subchapter.

(3) If the department initiates an action to enforce a summons, the department will, within three days after initiating the enforcement action, notify the summoned person and any person identified in the summons of the pending action.