The FA have handed Liverpool striker Luis Suarez a 10-game ban for biting Chelsea defender Branislav Ivanovic in Sunday's Premier League match.
Suarez pleaded guilty to a Football Association charge of violent conduct on Tuesday but rejected the governing body's claim that an automatic three-match suspension was "clearly insufficient".
A three-man independent regulatory commission met on Wednesday to decide the Uruguay international's fate and upheld the FA's assertion that further punishment was warranted.
Liverpool have until 12pm on Friday to appeal against the punishment.
In a brief statement on the club website, managing director Ian Ayre said: "Both the club and player are shocked and disappointed at the severity of today's Independent Regulatory Commission decision.
"We await the written reasons tomorrow before making any further comment."