Referee appointments for this weekend's SPFL games:
Ladbrokes Premiership - Saturday
Aberdeen v St Johnstone - Alan Muir
Dundee v Motherwell - Don Robertson
Heart of Midlothian v Kilmarnock - John Beaton
Partick Thistle v Dundee United - Craig Thomson
Ross County v Inverness CT - Willie Collum
Ladbrokes Premiership - Sunday
Hamilton Academical v Celtic - Steven McLean (BT Sport, 12.30pm)
Ladbrokes Championship - Saturday
Dumbarton v Livingston - Nick Walsh
Queen of the South v Hibernian - Greg Aitken
Raith Rovers v Morton - Bobby Madden
Rangers v Falkirk - John McKendrick
St Mirren v Alloa Athletic - Craig Charleston
Ladbrokes League 1 - Saturday
Airdrieonians v Stranraer - Gavin Ross
Ayr United v Cowdenbeath - Alan Newlands
Dunfermline Athletic v Albion Rovers - Mike Roncone
Peterhead v Forfar Athletic - Steven Kirkland
Stenhousemuir v Brechin City - David Lowe
Ladbrokes League 2 - Saturday
Arbroath v Annan Athletic - Kevin Graham
Berwick Rangers v East Stirlingshire - Euan Anderson
East Fife v Stirling Albion - Gavin Duncan
Elgin City v Clyde - Colin Steven
Queen's Park v Montrose - David Munro