Referee appointments for this weekend's games in the Ladbrokes Premiership, Championship, League 1 and League 2.
Ladbrokes Premiership - Friday
Dundee v Hamilton Academical - Kevin Clancy
Ladbrokes Premiership - Saturday
Aberdeen v Partick Thistle - John Beaton
Heart of Midlothian v Inverness CT - Steven McLean
Rangers v Motherwell - Bobby Madden
Ross County v Kilmarnock - Nick Walsh
St Johnstone v Celtic - Craig Thomson (BT Sport, 12.15pm)
Ladbrokes Championship - Saturday
Dundee United v Ayr United - Greg Aitken
Morton v Dumbarton - Mat Northcroft
Queen of the South v Falkirk - Steven Kirkland
Raith Rovers v Dunfermline Athletic - Alan Muir
St Mirren v Hibernian - Don Robertson
Ladbrokes League 1 - Saturday
Airdrieonians v Stranraer - Craig Charleston
Alloa Athletic v East Fife - David Lowe
Brechin City v Queen's Park - Mike Roncone
Livingston v Stenhousemuir - Gavin Duncan
Peterhead v Albion Rovers - Grant Irvine
Ladbrokes League 2 - Saturday
Annan Athletic v Clyde - Craig Napier
Berwick Rangers v Forfar Athletic - Steven Reid
Cowdenbeath v Edinburgh City - John McKendrick
Elgin City v Arbroath - Alan Newlands
Stirling Albion v Montrose - Gavin Ross
