Legal basis: Article 46 of the Administrative Procedure Law.
If a citizen, legal person or other organization brings a lawsuit directly to the people's court, it shall bring a lawsuit within six months from the date when it knows or should know that it has taken an administrative act. Except as otherwise provided by law. The people's court shall not accept real estate lawsuits filed more than 20 years from the date of administrative acts, and other lawsuits filed more than 5 years from the date of administrative acts.