Referees for the midweek games in the Ladbrokes Premiership, with two matches on Tuesday and three on Wednesday.
Tuesday January 31
Hamilton Academical v Inverness CT - Euan Anderson
Ross County v Motherwell - Steven McLean
Wednesday February 1
Celtic v Aberdeen - John Beaton
Heart of Midlothian v Rangers - Kevin Clancy (Live on BT Sport)
Partick Thistle v St Johnstone - Crawford Allan