Judicial review of action of the system may be sought in accordance with the terms of the Iowa administrative procedure Act, chapter 17A. Notwithstanding the terms of the Iowa administrative procedure Act, chapter 17A, petitions for judicial review may be filed in the district court of the county in which the claimant was last employed or resides, provided that if the claimant does not reside in the state of Iowa the action shall be brought in the district court of Polk county, Iowa, against the system for the review of this decision, in which action any other parties to the proceeding before the system shall be named in the petition. The system may also, in its discretion, certify to such courts, questions of law involving any decision by it. Such petitions for judicial review and the questions so certified shall be given precedence over all other civil cases except cases arising under the workers’ compensation law and the employment security law of this state.