The AFL have backflipped over the interchange and heat rules for the rest of the NAB Cup after St Kilda coach Scott Watters called for a review on the heat policy following last weeks hot weather during his sides matches in Adelaide.

Clubs will now allowed to have an extra two substitutes for the remaining of the competition up from just one in the opening round.

The cap on 80 rotations has also be removed which was heavily scrutinised by coaches as it potentially forced more game time out of players which clubs wished to ease in.

To reduce issues in extreme heat, clubs will now be able to have the three substitute players add to the interchange providing a total of six bench players for the match.

It is still unclear whether the proposed cap on rotations will be introduced into the premiership season in coming years.