As a rule, a player or team official sent off by the referee is automatically suspended for the next match in the competition. In the event of a serious offence, the UEFA disciplinary bodies are entitled to augment this punishment, including by extending it to other competitions.
A player or a team official is automatically suspended for the next competition match after two yellow cards in two different matches as well as after a fourth and any subsequent yellow card.
Single yellow cards expire on completion of the preliminary round, but pending yellow-card suspensions are carried forward to the main round.
Single yellow cards expire on completion of the quarter-finals, but pending yellow-card suspensions are carried forward to the finals.
Single yellow cards that have not resulted in a suspension and pending yellow-card suspensions expire on completion of the competition.