Section 411.594 - Petition for enforcement of subpoena issued under ORS 411.593(1) In case of the refusal of a witness to attend or testify or produce any papers required by such subpoena, the person designated by the subpoena as the person before whom the testimony is to be given or the papers produced, may petition the circuit court in and for the county in which the investigation or hearing is pending for an order directing the witness to attend and testify or produce the papers before the petitioner.(2) The petition shall allege that due notice was given of the time and place for the attendance of the witness or the production of the papers, that the witness was subpoenaed in the manner prescribed and that the witness failed and refused to attend, to produce the papers required by the subpoena or to answer questions propounded to the witness in the course of the investigation or hearing.