There are twenty overs only per side.
Each bowlers is restricted to a maximum of four overs.
Fielding restrictions in the first six overs - two fielders outside circle with a minimum of two stationary fielders.
Fielding restrictions for overs 7-20 - maximum five fielders allowed outside of circle. Each side has just 80 minutes to get through their 20 overs. There is 15 minutes between innings.
There are run penalties for each over which hasn't been bowled in the allocated time.
The next batsman has 90 second after the fall of a wicket to get to the crease. More......