Celtic have called the Scottish FA's decision to make them play their next home Scottish Cup tie behind closed doors a "disproportionate punishment."
The club were sanctioned for pitch invasions following their penalty shootout win over Rangers in last season's quarter-final, with supporters of both clubs entering the field.
They have also been ordered to pay £100,000 to the away side to compensate for lost ticket sales.
Celtic said in a statement: "We are shocked by this disproportionate punishment for a relatively small incursion by Celtic supporters at a moment of emotion and celebration.
"Our club has never defended supporters entering the field of play and we have repeatedly taken action when it occurs.
"However, we understand the part emotion plays in football and would have expected the context and distinction in behaviours to have been taken into account by the Panel.
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"Another important distinction is that, on this occasion, Celtic were not the home club, responsible for stadium safety arrangements."
Celtic said: “We will study the panel’s report and reasoning when it is available and will thereafter consider our next steps.”
The SFA Tribunal confirmed the sanctions relate to Rule 37.
Celtic have also received a suspended stadium closure, which will remain active until the end of the 2027/28 season.
This will be triggered should the club fail to prevent supporters from engaging in unacceptable conduct at any Scottish Cup fixture during this period.
If this happens, Celtic will be required to pay another £100,000 to their opponents within 30 days of the match being completed.