Somerset has been docked 12 points after being found guilty of preparing a "bad" pitch for last season's County Championship decision against Essex.
A hearing at Lord & # 39; s found that the wicket prepared for the game in September had "excessive bumps".
The total 24-point penalty, the other 12 will be suspended for two years. enters into force during the 2020 season.
Somerset has 14 days to appeal against the decision of the England and Wales Cricket Board Commission.
A statement on the club's website said: "Somerset is waiting for the full report from the Cricket Discipline Commission before considering our next action plan."
Somerset pulled its rain-hit Division One match against Essex, a result that secured the visitors the Championship title.
After an investigation, Somerset was charged with a violation of the regulation requiring: "Every county should actively try to prepare the best cricket pitch it can for the match it arranges".
Somerset accepted that a pitch rating of "poor" was correct, but did not plead guilty to a second element of the accusation that the Taunton surface "was not the best quality pitch Somerset could prepare for the match".