According to an ICC statement, the Super League kicks off on July 30 in Southampton with a series between world champions England and Ireland.
The Super League will decide the teams that qualify for the 2023 World Cup.
Each of the 12 full member nations and one of the qualifiers, the Netherlands, will have to play four home and three ODI series with 3.3 matches.
The first 7 teams will be issued direct participation in the mega event.
ICC General Manager Cricket Operations Jeff Allardyce said the start of the World Cup Super League with world champions England and Ireland was welcome.
He said that the league would play an important role in maintaining the interest of the spectators in the one-day matches before the mega event.
"Last week's decision to hold the World Cup at the end of 2023 gave us more time to schedule matches that were not possible due to the corona virus," he said.
England captain Owen Morgan said: "This time the situation will be different from the last time we played at home when we lifted the World Cup trophy at Lord's, but it is welcome that we are looking forward to the next edition of the event. Starting the journey.
"I am sure that cricket fans around the world will be anxious to revive white ball cricket and we are now looking at this challenge," he said.
Referring to the series against England, he said: "It's definitely going to be a challenge to play against a team that won the World Cup a year ago. We have gained confidence.
