
Chinese and English version of issued by the World Mahjong Organization, published by Chinese Publishing Company in 2006
International Chinese Version of , published by China Social Science Publishing House
Empowered by the World Mahjong Organization to publish
You can buy Chinese Version from here
If you want purchase English version of international <Mahjong Competition Rules>, please contact the World Mahjong Contest Center.
Download《Mahjong Competition Rules》