Referee appointments for this weekend's games in the Ladbrokes Premiership, Championship, League 1 and League 2.
Ladbrokes Premiership - Friday
Heart of Midlothian v Aberdeen - Steven McLean (BT Sport, 7.45pm)
Ladbrokes Premiership - Saturday
Dundee United v Inverness CT - Craig Thomson
Hamilton Academical v Dundee - John Beaton
Kilmarnock v St Johnstone - Crawford Allan
Motherwell v Celtic - Willie Collum (Sky Sports, 12.30pm)
Ross County v Partick Thistle - Nick Walsh
Ladbrokes Championship - Saturday
Alloa Athletic v Hibernian - Bobby Madden
Falkirk v St Mirren - Andrew Dallas
Morton v Livingston - John McKendrick
Queen of the South v Raith Rovers - Kevin Clancy
Ladbrokes League 1 - Saturday
Airdrieonians v Stenhousemuir - Alan Muir
Ayr United v Albion Rovers - Gavin Duncan
Cowdenbeath v Brechin City - Barry Cook
Dunfermline Athletic v Forfar Athletic - Craig Charleston
Ladbrokes League 2 - Saturday
Annan Athletic v Arbroath - David Lowe
Berwick Rangers v Clyde - Grant Irvine
East Fife v Montrose - Alan Newlands
East Stirlingshire v Queen's Park - Gavin Ross
Stirling Albion v Elgin City - Scott Millar
Petrofac Training Cup - Sunday
Rangers v Peterhead - George Salmond (BBC ALBA, 3.00pm)
