Within 90 days after the service of an order of the commission following a hearing or rehearing, which order shall be considered as a final determination of the commission in a proceeding for judicial review, the applicant or respondent may petition the commission to exercise its discretion to reconsider its determination. Such petition shall be in writing and shall state in detail the grounds upon which it is based. Any order made by the commission upon such petition shall not extend any limitation of time imposed by law to commence a proceeding to review the final determination of the commission.