A player is cautioned and shown the yellow card for committing any of the following seven offenses (actions of special concern to FIFA are displayed in bold print): …
A substitute or substituted player is cautioned and shown the yellow card if he commits any of the following three offenses:
1. is guilty of unsporting behavior
2. shows dissent by word or action
3. delays the restart of play
If a substitute who enters the field of play without the permission of the referee is to be cautioned, the official reason given must be “unsporting behavior” – this applies as well to previously substituted players except where the rules of competition allow unlimited re-entry with the permission of the referee.
A player, substitute or substituted player is sent off and shown the red card for committing any of the following seven offenses: …
A substitute or substituted player who commits any violent act should be sent off and shown the red card for Violent Conduct.