UEFA Champions League 2014-15 Rules and Regulations
Article 22
Yellow and red cards
22.01 As a rule, a player who is sent off the field of play is suspended for the next match in a UEFA club competition. The Control and Disciplinary Body is entitled to augment this punishment. For serious offences the punishment can be extended to all UEFA competition categories.
22.02 Incaseofrepeatedcautions:
a) before the group stage, a player is suspended for the next competition match after three cautions in three different matches, as well as after the fifth caution;
b) from the first match in the group stage, a player is suspended for the next competition match after three cautions in three different matches, as well as following any subsequent odd-numbered caution (fifth, seventh, ninth, etc.).
22.03 Single yellow cards and pending suspensions are always carried forward either to the next stage of the competition or to another club competition in the current season.
22.04 Exceptionally,allyellowcardsandpendingyellow-cardsuspensionsexpireon completion of the play-offs. They are not carried forward to the group stage. In addition, all yellow cards expire on completion of the quarter-finals. They are not carried forward to the semi-finals.
22.05 Cautions and pending yellow-card suspensions from club competition matches expire at the end of the season.