Is there a rule in the office not to play mahjong?

Office requirements: It is forbidden to play mahjong or poker in the office or workshop at any time.

Mahjong is a four-player domino game, which is very popular in China cultural circles. Originally from China, Guangdong, Hong Kong, Macao, Minnan and Fuzhou are commonly known as sparrows. Mahjong is a game play and entertainment equipment invented by ancient people in China. Usually made of bamboo, bone or plastic, with patterns or characters engraved on it.