Hibernian forward Jason Cummings and St Johnstone attacker James McFadden have been given bans for allegedly making offensive gestures during games.
The Scottish Football Association's compliance officer issued the notices of complaint on Tuesday, giving the players until Wednesday to respond.
Cummings' one-match ban is for alleged actions in the on 3 January.
McFadden's two-game ban relates to an alleged indiscretion against Hamilton.
The former Scotland star was sent off for two yellow card offences as Saints lost 1-0 at home on Sunday.
The SFA says both players are in breach of disciplinary rule 200 and a principal hearing has been set for Thursday 8 January, should the players contest the punishments by 15:00 GMT on Wednesday.
Compliance officer Tony McGlennan acknowledged that he had received from Motherwell over the red card shown to their centre-half Stephen McManus against Aberdeen on Sunday.
The hearing will take place on Thursday.