Referee appointments for this weekend’s games in the Ladbrokes Premiership, Championship, League 1 and League 2:
Ladbrokes Premiership – Saturday
Celtic v St Johnstone - Willie Collum
Kilmarnock v Hamilton Academical - Andrew Dallas
Motherwell v Heart of Midlothian - John Beaton
Partick Thistle v Aberdeen - Bobby Madden
Ladbrokes Premiership – Sunday
Dundee v Hibernian - Don Robertson (Sky Sports, 12.30pm)
Ross County v Rangers - Craig Thomson (BT Sport, 3.00pm)
Ladbrokes Championship – Saturday
Brechin City v Inverness CT - Mat Northcroft
Dumbarton v Dunfermline Athletic -Barry Cook
Falkirk v Queen of the South - Colin Steven
Morton v Livingston - Euan Anderson
St Mirren v Dundee United - Kevin Clancy
Ladbrokes League 1 – Saturday
Airdrieonians v Alloa Athletic - Stephen Finnie
Ayr United v Arbroath -Mike Roncone
East Fife v Raith Rovers - Craig Napier
Forfar Athletic v Albion Rovers - Greg Aitken
Queen's Park v Stranraer - David Munro
Ladbrokes League 2 – Saturday
Annan Athletic v Montrose - John McKendrick
Clyde v Stenhousemuir - Scott Millar
Cowdenbeath v Berwick Rangers - Kevin Graham
Edinburgh City v Elgin City - Scott Lambie
Peterhead v Stirling Albion - Gavin Ross
