Referee appointments for this weekend's games in the Ladbrokes Premiership, Championship, League 1 and League 2.
Ladbrokes Premiership
Aberdeen v Inverness CT - Crawford Allan
Celtic v Rangers - Willie Collum (Sky Sports, 12 noon)
Dundee v Kilmarnock - Don Robertson
Heart of Midlothian v Hamilton Academical - Craig Thomson
Partick Thistle v St Johnstone - Nick Walsh
Ross County v Motherwell - Alan Muir
Ladbrokes Championship
Ayr United v Morton - John McKendrick
Dumbarton v Hibernian - Greg Aitken
Dunfermline Athletic v Dundee United - John Beaton
Raith Rovers v Falkirk - Euan Anderson
St Mirren v Queen of the South - Barry Cook
Ladbrokes League 1
Albion Rovers v Stenhousemuir - Scott Millar
Alloa Athletic v Livingston - Craig Charleston
Brechin City v Airdrieonians - Gavin Duncan
East Fife v Stranraer - Mike Roncone
Peterhead v Queen's Park - Stephen Finnie
Ladbrokes League 2
Annan Athletic v Forfar Athletic - David Munro
Berwick Rangers v Elgin City - Grant Irvine
Clyde v Arbroath - Steven Reid
Montrose v Cowdenbeath - David Lowe
Stirling Albion v Edinburgh City - Colin Steven
