International Cricket Council (ICC) on Tuesday announced that multiple rule changes will be effective from September 28 and will affect all international matches.

Restrictions on bat thickness, the power for umpires to send violent players off the field and tweaks to the Decision Review System are among the key rule amendments that will come into play. Rule modifications will have an impact on upcoming South Africa-Bangladesh and Pakistan-Sri Lanka Test series. The current series between India and Australia will be the last series played with existing rules.

Here is everything you need to know about amended cricket rules:

Bat size: Thickness of bats will be restricted. Edges cannot be more than 40 mm, while the overall depth will be restricted to maximum of 67 mm.

Decision Review System: Teams will not lose a review if a decision remains unchanged due to ‘umpire’s call’. After 80 overs, there will be no top-up reviews. The DRS may also be used in T20 internationals.

Run Outs: If a batsman is running or diving towards the crease with forward momentum, and has grounded his/her bat behind the popping crease but subsequently has lost contact with the ground at the time of the wickets being put down, the batsman will not be run out. The same interpretation will also apply for a batsman trying to regain his/her ground to avoid being stumped.

Player send-off: Umpires now have the power to send-off players for serious or violent misconduct.

Catches: For boundary catches, the ICC has ruled  that airborne fielders making their first contact with the ball will need to have taken off from within the boundary, otherwise a boundary will be scored. Also, a batsman can now be declared caught, stumped or run out even if the ball bounces off the helmet worn by a fielder or wicketkeeper.