Kevin Clancy is the referee for Friday night’s Premiership game between leaders Hamilton Accies and Aberdeen at New Douglas Park, live on BT Sport.
John McKendrick is the man in the middle as Championship pacesetters Hearts welcome Dumbarton to Tynecastle on Saturday and Stephen Finnie is in charge as League 1 frontrunners Forfar face second-placed Dunfermline at East End Park.
Colin Steven is the referee for the meeting of League 2 leaders Arbroath and East Stirlingshire.
Scottish Premiership - Friday
Hamilton Accies v Aberdeen - Kevin Clancy (Live on BT Sport, 7.45pm)
Scottish Premiership - Saturday
Dundee United v Partick Thistle - Steven McLean
Motherwell v Dundee - Brian Colvin
Ross County v Celtic - Bobby Madden (Live on Sky Sports, 12.45pm)
St Johnstone v Kilmarnock - Craig Thomson
St Mirren v Inverness CT - Willie Collum
Scottish Championship - Saturday
Alloa Athletic v Cowdenbeath - Des Roache
Heart of Midlothian v Dumbarton - John McKendrick
Livingston v Hibernian - Greg Aitken (Live on BBC ALBA, 5.30pm)
Queen of the South v Falkirk - John Beaton
Rangers v Raith Rovers - Don Robertson
Scottish League 1 - Saturday
Brechin City v Stranraer - Andrew Dallas
Dunfermline Athletic v Forfar Athletic - Stephen Finnie
Morton v Ayr United - Calum Murray
Peterhead v Airdrieonians - Gavin Ross
Stirling Albion v Stenhousemuir - Barry Cook
Scottish League 2 - Saturday
Albion Rovers v Clyde - Nick Walsh
Arbroath v East Stirlingshire - Colin Steven
Berwick Rangers v Elgin City - Gavin Duncan
East Fife v Annan Athletic - David Munro
Queen's Park v Montrose - Steven Kirkland
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