Referee appointments for this weekend's games in the Ladbrokes Premiership, Championship, League 1 and League 2.
Ladbrokes Premiership - Friday
Kilmarnock v Rangers - Kevin Clancy (BT Sport, 7.45pm)
Ladbrokes Premiership - Saturday
Celtic v Aberdeen - Bobby Madden
Hamilton Academical v Ross County - Greg Aitken
Inverness Caledonian Thistle v St Johnstone - Stephen Finnie
Motherwell v Dundee - Andrew Dallas
Partick Thistle v Heart of Midlothian - Willie Collum
Ladbrokes Championship - Saturday
Ayr United v St Mirren - Crawford Allan
Dundee United v Raith Rovers - Craig Thomson
Dunfermline Athletic v Queen of the South - Craig Charleston
Falkirk v Dumbarton - Don Robertson
Hibernian v Morton - Alan Muir
Ladbrokes League 1 - Saturday
Albion Rovers v Alloa Athletic - Steven Kirkland
East Fife v Brechin City - Grant Irvine
Queen's Park v Livingston - Kevin Graham
Stenhousemuir v Airdrieonians - Gavin Ross
Stranraer v Peterhead - Euan Anderson
Ladbrokes League 2 - Saturday
Arbroath v Stirling Albion - Graham Beaton
Clyde v Cowdenbeath - David Munro
Edinburgh City v Berwick Rangers - Craig Napier
Forfar Athletic v Elgin City - David Lowe
Montrose v Annan Athletic - Scott Millar
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