Referee appointments for this weekend's SPFL games:
Ladbrokes Premiership - Saturday
Aberdeen v Dundee United - Steven McLean
Dundee v Partick Thistle - Willie Collum
Heart of Midlothian v Hamilton Academical - Bobby Madden
Motherwell v Inverness Caledonian Thistle - Craig Thomson
St Johnstone v Kilmarnock - Crawford Allan
Ladbrokes Championship - Saturday
Morton v Livingston - Craig Charleston
Queen of the South v Dumbarton - Alan Muir
Raith Rovers v Falkirk - Nick Walsh
Rangers v Alloa Athletic - Stephen Finnie
St Mirren v Hibernian - Andrew Dallas
Ladbrokes League 1 - Saturday
Albion Rovers v Cowdenbeath - Mat Northcroft
Brechin City v Ayr United - Barry Cook
Dunfermline Athletic v Peterhead - Gavin Ross
Forfar Athletic v Airdrieonians - David Lowe
Stranraer v Stenhousemuir - Alan Newlands
Ladbrokes League 2 - Saturday
Arbroath v East Fife - Euan Anderson
Berwick Rangers v Stirling Albion - John McKendrick
Clyde v Montrose - Gavin Duncan
East Stirlingshire v Queen's Park - Steven Kirkland
Elgin City v Annan Athletic - Mike Taylor
Ladbrokes Premiership - Sunday
Ross County v Celtic - Kevin Clancy (BT Sport, 3.30pm)