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.
Catalan Dragons have revealed that Todd Carney has signed a three-year deal with them, and will captain the team.
The rugby league players' association League13 has announced the creation of its 'Hall of Honour', and confirmed that identity of the first four players to feature.
Sheffield Eagles have added to their front row options, with the signing of Steve Thorpe from the Eastern Suburbs Tigers.