A player, substitute or substituted player is dismissed from the field of play and shown the red card if he/she commits any of the following offences:
Serious foul play
Violent conduct
Using offensive, racist, insulting or abusive language and/or gestures
Spitting at an opponent or any other person
Denying the opposing team a goal or an obvious goal-scoring opportunity by deliberately handling the ball (this does not apply to a goalkeeper inside his/her own penalty area)
Denying an obvious goal-scoring opportunity to an opponent moving towards the player’s goal by an offence punishable by a free kick or a penalty kick (known as a professional foul or "last hope"/"last man" foul)
Receiving a second caution (yellow card) in the same match