Referee appointments for this weekend's games in the Ladbrokes Premiership, Championship, League 1 and League 2.
Ladbrokes Premiership - Saturday
Aberdeen v Hibernian - Bobby Madden (BT Sport, 12.30pm)
Dundee v Partick Thistle - Greg Aitken
Hamilton Academical v Ross County - Gavin Duncan
Kilmarnock v Motherwell - Euan Anderson
Rangers v St Johnstone - Don Robertson
Ladbrokes Premiership - Sunday
Heart of Midlothian v Celtic (Sky Sports, 12.30pm)
Ladbrokes Championship - Saturday
Falkirk v Brechin City - Mat Northcroft
Inverness Caledonian Thistle v Dumbarton - Steven Kirkland
Livingston v Morton - Nick Walsh
Queen of the South v Dundee United - Craig Thomson
St Mirren v Dunfermline Athletic - Craig Charleston
Ladbrokes League 1 - Saturday
Alloa Athletic v Arbroath - David Lowe
East Fife v Ayr United - John McKendrick
Queen's Park v Airdrieonians - Grant Irvine
Raith Rovers v Albion Rovers - Alan Newlands
Stranraer v Forfar Athletic - Steven Reid
Ladbrokes League 2 - Saturday
Annan Athletic v Stirling Albion - Duncan Williams
Berwick Rangers v Peterhead - Scott Millar
Cowdenbeath v Clyde - Stephen Brown
Edinburgh City v Stenhousemuir - Gavin Ross
Montrose v Elgin City - Ryan Milne