Bobby Madden will take charge of Friday night’s Premiership game between Dundee United and Motherwell, which is live on BT Sport at 7.45pm.
John McKendrick is the man in the middle as Championship frontrunners Dundee go to Cowdenbeath on Saturday while Greg Aitken will handle the meeting of League 1 leaders Rangers and Stenhousemuir at Ibrox.
Euan Anderson is the referee as League 2 pacesetters Peterhead go to Albion Rovers.
Scottish Premiership - Fri 21-Feb-14
Dundee United v Motherwell - Bobby Madden (live on BT Sport, 7.45pm)
Scottish Championship - Fri 21-Feb-14
Hamilton Accies v Livingston - Craig Charleston
Scottish Premiership - Sat 22-Feb-14
Hearts v Celtic - Kevin Clancy (live on Sky Sports, 12.45pm)
Kilmarnock v Hibernian - Craig Thomson
Partick Thistle v Aberdeen - Alan Muir
Ross County v St Mirren - Willie Collum
St Johnstone v Inverness CT - Euan Norris
Scottish Championship - Sat 22-Feb-14
Cowdenbeath v Dundee - John McKendrick
Dumbarton v Raith Rovers - Don Robertson
Falkirk v Queen of the South - Brian Colvin
Morton v Alloa Athletic - John Beaton
Scottish League 1 - Sat 22-Feb-14
Arbroath v Forfar Athletic - Kevin Graham
Brechin City v Stranraer - Barry Cook
Dunfermline Athletic v Ayr United - George Salmond
East Fife v Airdrieonians - Calum Murray
Rangers v Stenhousemuir - Greg Aitken
Scottish League 2 - Sat 22-Feb-14
Albion Rovers v Peterhead - Euan Anderson
Clyde v Montrose - Alan Newlands
East Stirlingshire v Berwick Rangers - Mat Northcroft
Elgin City v Stirling Albion - Ryan Milne
Queen's Park v Annan Athletic - Nick Walsh
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