Referee appointments for Saturday's games in the Ladbrokes Premiership, Championship, League 1 and League 2:
Ladbrokes Premiership
Aberdeen v Heart of Midlothian - Kevin Clancy
Dundee v Rangers - Craig Thomson (BT Sport, 12.15pm)
Hamilton Academical v Kilmarnock - Steven McLean
Inverness Caledonian Thistle v Ross County - Andrew Dallas
Motherwell v St Johnstone - Euan Anderson
Ladbrokes Championship
Dumbarton v Dundee United - Gavin Duncan
Hibernian v Dunfermline Athletic - Willie Collum
Morton v Falkirk - John Beaton
Queen of the South v Ayr United - Stephen Finnie
Raith Rovers v St Mirren - Kevin Graham
Ladbrokes League 1
Airdrieonians v Livingston - Mat Northcroft
Albion Rovers v Brechin City - Greg Aitken
Peterhead v East Fife - David Munro
Stenhousemuir v Queen's Park - John McKendrick
Stranraer v Alloa Athletic - Gavin Ross
Ladbrokes League 2
Berwick Rangers v Annan Athletic - Colin Steven
Elgin City v Edinburgh City - Mike Roncone
Forfar Athletic v Cowdenbeath - Craig Charleston
Montrose v Arbroath - Steven Kirkland
Stirling Albion v Clyde - Alan Newlands