The full fixture list, including Premier Sports TV selections, will be confirmed in due course.
Group A
Heart of Midlothian
Inverness Caledonian Thistle
Cowdenbeath
Raith Rovers
East Fife
Group B
Hibernian
Dundee
Forfar Athletic
Brora Rangers
Cove Rangers
Group C
St Johnstone
Dundee United
Peterhead
Brechin City
Kelty Hearts
Group D
Ross County
Arbroath
Elgin City
Stirling Albion
Montrose
Group E
Kilmarnock
Dunfermline Athletic
Clyde
Dumbarton
Falkirk
Group F
Hamilton Academical
Ayr United
Stranraer
Albion Rovers
Annan Athletic
Group G
St Mirren
Morton
Queen of the South
Partick Thistle
Queen's Park
Group H
Livingston
Alloa Athletic
Stenhousemuir
Airdrieonians
Edinburgh City
Betfred Cup group stage
MD1: Tuesday October 6
MD2: Saturday October 10
MD3: Tuesday October 13
MD4: Tuesday November 10
MD5: Saturday November 14
The eight group winners and four best runners-up will be joined in the last 16 on the weekend of November 28/29 by holders Celtic, Rangers, Motherwell and Aberdeen.