Widnes back-rower Gareth Hock is facing at least a three match ban after being found guilty of making deliberate physical contact with referee George Stokes.
The incident happened during the 36th minute of Widnes' 36-0 win over Workington in the Challenge Cup fifth round on Sunday.
The Grade D charge carries a suspension tariff of three to five matches.
Huddersfield's Joe Wardle has been charged with a Grade C offence of sustained punching following his red card against Leeds, while team-mate Leroy Cudjoe and Rhinos stand-off Danny McGuire were charged with Grade A punching offences in the same game.
Wardle, Cudjoe, Kaufusi and James are all eligible to submit Early Guilty Pleas in relation to their respective offences before 11am.
The annual State of Mind themed Super League round will take place in Round 20, featuring some mouth-watering games.
Foxy Bingo have challenged the stars of the Super League to name their squad in 30 seconds. How will they fare in the Foxy Bingo Captains Challenge?
Sheffield Eagles coach Mark Aston has hinted that his club could be playing their home games in their home city again next season.
As the big split looms, Forty-20 editor-at-large Tony Hannan ponders the impact of the Middle 8s...