Referee appointments for this weekend's games in the Ladbrokes Premiership, Championship, League 1 and League 2.
Ladbrokes Premiership - Friday
Hamilton Academical v Celtic - Craig Thomson (BT Sport, 7.45pm)
Ladbrokes Premiership - Saturday
Aberdeen v St Johnstone - Steven McLean
Dundee v Inverness Caledonian Thistle - Andrew Dallas
Heart of Midlothian v Kilmarnock - Don Robertson
Motherwell v Partick Thistle - Stephen Finnie
Ross County v Dundee United - John Beaton
Ladbrokes Championship - Saturday
Alloa Athletic v Livingston - Craig Charleston
Dumbarton v Hibernian - Barry Cook
Falkirk v Queen of the South – Willie Collum
Raith Rovers v Morton - Mat Northcroft
Rangers v St Mirren - John McKendrick
Ladbrokes League 1 - Saturday
Airdrieonians v Ayr United - Mike Roncone
Dunfermline Athletic v Stranraer - David Munro
Forfar Athletic v Albion Rovers - Alan Newlands
Peterhead v Brechin City - Gavin Duncan
Stenhousemuir v Cowdenbeath - Kevin Graham
Ladbrokes League 2 - Saturday
Annan Athletic v Stirling Albion - Craig Napier
Arbroath v Clyde - Colin Steven
Berwick Rangers v Montrose - Grant Irvine
Elgin City v East Stirlingshire - David Lowe
Queen's Park v East Fife - Mike Taylor
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