Filing a Formal EEO Complaint Under the ADEA If you choose to file a formal EEO complaint under the EEO administrative complaint processing procedures, you must complete certain steps in the EEO administrative process before you may file a civil action in a United States District Court. You may file a civil action in an appropriate United States District Court only: Within 90 calendar days of receipt of either the Postal Service’s final action on the complaint or its final agency decision, provided you have not appealed to OFO. After 180 calendar days from the date of filing your formal complaint if you have not filed an appeal with the OFO and the Postal Service has not issued you a final action regarding an administrative judge decision or issued you a final agency decision. Within 90 calendar days after you receive the OFO’s final decision on an appeal. After 180 calendar days from the date of filing an appeal with the OFO if the OFO has not issued a final decision.