Referee appointments for this weekend's games in the Ladbrokes Premiership, Championship, League 1 and League 2.
Ladbrokes Championship - Friday
Queen of the South v Raith Rovers - Craig Charleston (BBC ALBA, 7.45pm)
Ladbrokes Premiership - Saturday
Aberdeen v Heart of Midlothian - Craig Thomson (Sky Sports, 12.30pm)
Dundee United v Partick Thistle - Steven McLean
Hamilton Academical v Ross County - Willie Collum
Inverness CT v Kilmarnock - Barry Cook
Motherwell v Dundee - Euan Anderson
Ladbrokes Championship - Saturday
Dumbarton v St Mirren - Nick Walsh
Hibernian v Falkirk - Kevin Clancy
Livingston v Alloa Athletic - Brian Colvin
Rangers v Morton - Don Robertson
Ladbrokes League 1 - Saturday
Ayr United v Dunfermline Athletic - Andrew Dallas
Brechin City v Peterhead - Gavin Duncan
Forfar Athletic v Cowdenbeath - David Lowe
Stenhousemuir v Albion Rovers - Mat Northcroft
Stranraer v Airdrieonians - John McKendrick
Ladbrokes League 2 - Saturday
Annan Athletic v East Stirlingshire - David Munro
Berwick Rangers v Elgin City - Craig Napier
Clyde v East Fife - Kevin Graham
Montrose v Stirling Albion - Gavin Ross
Queen's Park v Arbroath - Mike Roncone
Ladbrokes Premiership - Sunday
St Johnstone v Celtic - Crawford Allan (BT Sport, 12.30pm)