Article 2. No action applying for annulment or alteration of illegal disposition made by an administrative office shall be brought in before, in case the filing of a petition, a request for examination, an objection, or any other complaint, against the disposition of an administrative office (called hereinafter a petition for brevity's sake) is authorized by law and ordinance, a decision, a ruling or other measures on such (called hereinafter a decision for brevity's sake) is rendered. However, such an action may be brought in before the decision upon the petition is rendered in case the period of three months has passed since the petition was filed, or in case there is apprehension that heavy damages may be caused pending the decision upon the petition or there is any other due reason.