According to Article 40 of China's Administrative Punishment Law, the written decision on administrative punishment shall be delivered to the parties on the spot after the announcement. If the party concerned is not present, the administrative organ shall, within seven days, serve the decision on administrative punishment on the party concerned in accordance with the relevant provisions of the Civil Procedure Law.
The Civil Procedure Law stipulates the delivery methods of legal documents such as entrustment, lien, transfer, mailing and announcement.