The referees for this weekend's SPFL games have been announced:
Scottish Premiership - Saturday
Celtic v Dundee - Kevin Clancy
Dundee United v Kilmarnock - John Beaton
Hamilton Accies v St Mirren - Greg Aitken
Inverness CT v Motherwell - Bobby Madden
St Johnstone v Ross County - Steven McLean
Scottish Premiership - Sunday
Partick Thistle v Aberdeen - Willie Collum (Sky Sports, 12.45pm)
Scottish Championship - Saturday
Alloa Athletic v Falkirk - Euan Anderson
Cowdenbeath v Livingston - Alan Muir
Dumbarton v Hibernian - Calum Murray
Heart of Midlothian v Rangers - Craig Thomson (BT Sport, 12.45pm)
Queen of the South v Raith Rovers - Stephen Finnie (BBC ALBA, 5.30pm)
Scottish League 1 - Saturday
Dunfermline Athletic v Stirling Albion - Colin Steven
Forfar Athletic v Ayr United - Andrew Dallas
Morton v Stenhousemuir - Kevin Graham
Peterhead v Brechin City - George Salmond
Stranraer v Airdrieonians - John McKendrick
Scottish League 2 - Saturday
Arbroath v Clyde - Ryan Milne
Berwick Rangers v Annan Athletic - Nick Walsh
East Fife v Elgin City - Crawford Allan
East Stirlingshire v Montrose - Barry Cook
Queen's Park v Albion Rovers - Gavin Duncan