The opening weekend of matches includes St Mirren v Arbroath, Hibernian v Clyde and Buckie Thistle v Ross County on Saturday July 9.
On Sunday July 10, Peterhead host Aberdeen at Balmoor, live on Premier Sports at 3.00pm.
There are 80 group games to be played during July - the eight group winners and three best runners-up will join Celtic, Rangers, Heart of Midlothian, Dundee United and Motherwell in the last 16 of the competition on August 30/31.