Referendum Act Article 48

If any of the following circumstances exists, a public prosecutor or the lead proposer of a referendum proposal may, within fifteen days of the date on which the results of the referendum are announced, file a lawsuit with the court with jurisdiction to invalidate the referendum, naming the relevant election commission as the defendant:1. The election commission at any level conducts the referendum illegally in a manner that could have affected the results of the referendum.2. Violence, duress, or other unlawful means is used against the lead proposer, any person entitled to vote in the referendum, or any personnel involved in the referendum process for the purpose of obstructing the promotion of the referendum, the free exercise of voting rights, or the performance of duties, in a manner that could have affected the results of the referendum.3. Any act in violation of Article 36, Article 37, or Paragraphs 1 and 2 of Article 146 of the Criminal Code is committed in a manner that could have affected the results of the referendum.A final judgment invalidating a referendum under the preceding paragraph shall not be affected by a not guilty verdict in a criminal case involving the same facts.