The following rules written by the National Mah Jongg League are not found in their official guidebook, Mah Jongg Made Easy (MJME) 2024:

• A player picks from the wall and racks their tile at the same time another player calls a discard. See ID98
• East’s first discard can be a joker if East is playing a singles & pair hand. See ID42
• Joker exchanges when playing a concealed hand. See ID34
• Placing tiles in order after a player’s exposes their Mah Jongg. See ID125
• About house rules. See ID53
• Always read what’s in parenthesis. See ID46
• What marks the beginning of a player’s turn. See ID104
• Bettor forgot to bet. See ID100
• Burying a tile in the wall. See ID103
• Commitment to Mah Jongg. See ID118
• Purse Is Empty, also known as PIE. See ID55
• Second left is passed in a pyramid. See ID 167