John Beaton and William Collum have been appointed as the officials for the William Hill Scottish Cup semi-finals.
Beaton will take charge of Hibernian v Aberdeen on Saturday 22 April, kick-off 12.15pm, live on Sky Sports and BBC Scotland.
Collum will take charge of Celtic v Rangers on Sunday 23 April, kick-off 12 noon, live on Sky Sports.
Full details can be found below
Hibernian v Aberdeen
Referee: John Beaton
Assistant Referees: Sean Carr and Andrew McWilliam
Fourth Official: Euan Anderson
AAR1: Andrew Dallas
AAR2: Alan Muir
Celtic v Rangers
Referee: William Collum
Assistant Referees: Frank Connor and Douglas Ross
Fourth Official: Craig Thomson
AAR1: Don Robertson
AAR2: Nick Walsh