Mr Barber was the official in Blues away game at Southampton earlier this season when he denied Blues an absolute stone-wall penalty when David Dunn was upended by former England full-back Graham Le Saux in the penalty box towards the end of the 0-0 draw at St. Mary's.
The Tring official booked 4 players in that game including Blues midfielder Robbie Savage.
In total Mr Barber has refereed 6 league games so far this season dishing out 21 yellow cards and 1 red.
