1. The Law on Protection of Cultural Relics of the People's Republic of China was adopted at the 31st Session of the Standing Committee of the 10th National People's Congress of the People's Republic of China on December 29, 2007 and has come into force as of the date of promulgation.
2. The Regulation of Protecting Tunxi Old Street Historical and Cultural Zone was examined and adopted at the 10th Executive Meeting of the People's Government of Huangshan Mountain city on December 17, 2003 and has come into force as of October 1, 2005.
3. The Code of Conservation Planning for Historic Cities (GB50357-2005) was issued by Proclamation No. 358 of the Ministry of Construction of the People's Republic of China and has come into force as of 2005.
4. The Protection Rules of Historical Cities, Towns and Villages was adopted at the 3rd Executive Meeting of the State Council on April 2, 2008 and has come into force as of July 1, 2008 (Order No. 524 of the State Council of the People's Republic of China).