Red dora ari or nashi option (1 5m, 1 5p and 1 5s)
「赤なし/あり選択（五萬1枚/五筒1枚/五索1枚）」
Noten dealers lose the dealership. Known as tenpai renchan.
「ノーテン親流れ、聴牌連荘」
Sudden death brings the game into the next wind. As soon as someone attains 30,000 points (riichi deposits are removed from players' scores), the game ends.
Abortive draws (Nine terminals abortion, four riichi calls, three ron calls, four kans (separate), four same wind discards) allowed. All count as renchan.
「途中流局(九種九牌/四家立直/三家和了/四槓散了/四風連打)あり。すべて連荘」
Nine terminals abortion requires 9 or more different terminals, on the first turn before any pon, kan, chii calls or ankan formed.
「九種九牌はポン/カン/チー/暗槓のない第1ツモで幺九牌が9種以上」
Nagashi mangan allowed. Tenpai payments are replaced by the mangan payment. Dealer tenpai counts as renchan.
「流し満貫あり。聴牌清算を満貫清算に代替。親の聴牌で連荘。」
「流し満貫は、自分の河が鳴かれていない場合に成立。自分が鳴いた場合でも成立。」
Double rons allowed. Repeats and deposits go to the next closest player.
「ダブロンあり。積み棒/供託は上家取り。」
Double rons occuring with the dealer winning are counted as renchan.
「ダブロンは親が含まれれば連荘」
Pao is enforced on daisangen and daisuushi. Multiple yakuman still count. Tsumo win responsible player pays all, ron win responsible player pays half. Related repeats also paid through pao.
Keishiki tenpai ari. Your tenpai may include a wait for a "5th tile" (however, this does not include the case when the 4 available tiles for said wait are included in your hand).
「形式聴牌あり。5枚目を待つ聴牌あり(打牌選択可能な手牌で4枚使用している牌を除く)。」
You need at least 1000 points and a next turn to pick (4 or more tiles in the wall) to declare riichi.
「リーチ宣言は得点が1000点以上でツモ巡がある場合に可能」
If the tile that was used to declare riichi is won off, no deposit is given out.
「リーチ宣言牌で放銃した場合は供託料は発生しない」
Furiten riichi allowed.
「振聴リーチあり」
After riichi, letting a winning tile pass makes your hand furiten.
「リーチ後の当たり牌見逃しは以降振聴」
「リーチ後の縛りをクリアしない和了型になる牌は常に見逃し以降振聴(二飜以上縛り時)」
「リーチ後の待ちが変わる暗槓不可、送り槓不可、牌姿が変わる暗槓あり。」
Kan dora and kan ura dora allowed.
「カンドラ/カン裏あり」
Kan dora are flipped as follows: from ankan immediately, from minkan and from kakan are shown after discarding or picking a new replacement tile.
「カンドラは、暗槓は即乗り、明槓/加槓は後めくり（打牌または続く嶺上の直前）」
You may not selectively ron a player in one turn (includes chankan) - i.e. if you pass a winning tile dropped by one player in one turn, you may not ron from another player who discards the same tile in that turn.