509.1. In competitions, players are responsible for considering options before taking actions.
509.2. Once an action is communicated to an opponent, that action can’t generally be taken back.
509.3. A player can rewind and make a different decision about an action just taken if and only if they have not gained any new information since taking the action, and a judge allows it.
509.4. Judges who can’t be sure a player gained no information should not allow that player to rewind.
509.5. Teammates recommending a player rewind a decision before any other information is gained should not itself be considered new information.