Referees for this weekend’s games in the Ladbrokes Premiership, Ladbrokes Championship, Ladbrokes League 1 and Ladbrokes League 2:
Ladbrokes Championship - Friday
St Mirren v Morton - John Beaton (BBC ALBA, 7.45pm)
Ladbrokes Premiership - Saturday
Celtic v Kilmarnock - Bobby Madden
Dundee United v St Johnstone - Craig Thomson
Heart of Midlothian v Dundee - Kevin Clancy
Partick Thistle v Inverness CT - Don Robertson
Ross County v Motherwell - Crawford Allan
Ladbrokes Championship - Saturday
Alloa Athletic v Hibernian - Barry Cook
Dumbarton v Raith Rovers - Greg Aitken
Livingston v Rangers - George Salmond
Queen of the South v Falkirk - Steven McLean
Ladbrokes League 1 - Saturday
Albion Rovers v Dunfermline Athletic - Alan Muir
Ayr United v Airdrieonians - Stephen Finnie
Brechin City v Stenhousemuir - Craig Charleston
Peterhead v Cowdenbeath - Mike Roncone
Stranraer v Forfar Athletic - Kevin Graham
Ladbrokes League 2 - Saturday
Annan Athletic v Arbroath - Steven Kirkland
Berwick Rangers v Clyde - David Munro
East Stirlingshire v Montrose - Colin Steven
Elgin City v East Fife - David Lowe
Queen's Park v Stirling Albion - Gavin Duncan
Ladbrokes Premiership - Sunday
Hamilton Academical v Aberdeen - Willie Collum (BT Sport, 12.30pm)