The tournament was initially scheduled to begin in January 2021, but was delayed due to the COVID-19 pandemic, and the format was changed.
The tournament began in February 2021 and ran until April 2021, with teams competing in four groups, each located in a different city under COVID-19 protocols.
Matches were played using a one day format, with 50 overs per side.
The winners of Pools C and D played-off for promotion to the top tier, whilst the bottom-placed teams in Pools A and B played-off, with the loser being relegated to the bottom tier.
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