Legal basis: Article 2 of the Notice of the Ministry of Transport on Printing and Distributing the Telephone Number 12328 as mentioned in these Measures is a public service supervision telephone number provided for natural persons, legal persons or other organizations in the transportation industry, which is used to accept complaints, reports, information consultation and suggestions in business fields such as highways, waterways, road transport (including urban passenger transport), maritime search and rescue, maritime affairs and salvage.