(b) At any hearing, the commission or the presiding officer may subpoena witnesses and require the production of records, documents and other evidence pertinent to such inquiry. Any party may request that such process be issued. The request shall be in writing and contain the following: the name and address of each person upon whom such process is to be served; an adequate description of any records, documents and evidence sought to be produced; and a short explanation of the testimony or evidence to be offered at the hearing and its materiality to the subject thereof. It shall be the sole responsibility of the party requesting such process to cause it to be served in accordance with law.
(c) If any person disobeys such process or, having appeared in obedience thereto, refuses to answer any pertinent question put to him by the commission or by the presiding officer or to produce any records, documents or evidence pursuant thereto, the commission may apply to the superior court for the judicial district of Hartford for an order requiring such person to comply with such subpoena or to testify as provided by section 1-21j of the general statutes.