Norwich City and Cardiff City have accepted for a confrontation between some of their players, but the Welsh side have rejected the standard £20,000 penalty.
The teams were accused of failing to ensure their players conducted themselves in an orderly fashion.
The Canaries have agreed to pay the fine for a scuffle towards the end of the
But Cardiff's penalty will be decided by a non-personal hearing.
The incident occurred after Cardiff had kicked the ball out of play to allow Norwich's Alex Tettey to receive treatment. Rather than play the ball back to visiting keeper David Marshall, Netherlands international Fer rolled the ball into an empty net - something he later admitted was intentional.
Referee Michael Jones did not allow the goal, saying he had not restarted play, but Cardiff's players reacted angrily to Fer's decision to shoot.