It is every player’s responsibility to verify they’ve made a correct exposure.
A player calls a discarded tile while another player simultaneously racks the tile they picked; the player who called the discarded tile is entitled to it.
When a player calls a tile and places it on the flat part of their rack or exposes tiles from their rack, they are committed to taking that discard.
A player cannot reverse the action once a Joker placing with a natural tile.
When East is playing a Pair Hand, the first discard must be named “Joker,” for obvious reason, there was no previously discarded tile for it to name it after.
The NMJL does not support house rules because they feel they are not conducive to the game and may lead to arguments.
When reading the card, pay special attention to the text in the parentheses.
A player is entitled to doing a Joker exchange regardless of whether they are playing an exposed or concealed hand.
Once a player lifts or moves a tile they are committed to taking their pick from the wall.