Referees for this weekend's games in the Ladbrokes Premiership, Ladbrokes Championship, Ladbrokes League 1 and Ladbrokes League 2.
Ladbrokes Premiership - Saturday
Celtic v Hamilton Academical - Craig Thomson
Dundee v Aberdeen - Bobby Madden (Sky Sports, 12.30pm)
Heart of Midlothian v Inverness Caledonian Thistle - Alan Muir
Kilmarnock v Dundee United - John Beaton
Partick Thistle v Motherwell - Greg Aitken
Ross County v St Johnstone - Kevin Clancy
Ladbrokes Championship - Saturday
Alloa Athletic v Dumbarton - Willie Collum
Falkirk v Livingston - Barry Cook
Morton v Hibernian - Stephen Finnie
Raith Rovers v Rangers - Euan Anderson
St Mirren v Queen of the South - Crawford Allan
Ladbrokes League 1 - Saturday
Albion Rovers v Stranraer - David Lowe
Dunfermline Athletic v Brechin City - Colin Steven
Ladbrokes League 2 - Saturday
East Stirlingshire v Clyde - Gavin Ross
Stirling Albion v Elgin City - Scott Millar