At the Quebec World Championships held in 2018, the federations agreed to a number of changes to the rules of Underwater Hockey and accordingly version 11 of the rules were submitted to and approved by the CMAS BOD.

Version 11 of the rules will be used at all UWHNZ tournaments from 2019.  A copy of the latest rules can be found here.

UWH Rules v11.0 Vol 1

UWH Rules v11.0 Vol 2