Rosenior was found guilty of using abusive and/or insulting words towards match official Clive Penton last month and was also warned about his comments towards the referee in his post match interview and comments.
During the night of the game Leroy was furious following the bees having several decisions denied them and after the referee sent off Chris Moore in the second half, the Brentford manager was forced to sit and watch 30 minutes of the game form the stands and after yesterdays ruling the boss will be missing from the sidelines during the clashes with Oldham and Nottingham Forest.