Andrew Dallas has been appointed as the referee for tonight's UEFA Europa League tie between Real Betis and F91 Dudelange.
The Scottish referee will be assisted by Graeme Stewart and Dougie Potter, with Stuart Stevenson as the fourth official.
The full officiating team is as follows:
Referee: Andrew Dallas
AR1: Graeme Stewart
AR2: Dougie Potter
Fourth Official: Stuart Stevenson
AAR1: Nick Walsh
AAR2: Euan Anderson