QuidditchUK moved to the International Quidditch Association (IQA) version of the ruleset at the beginning of the 2017/2018 season and has remained with the IQA system since.
All referees and snitch runners wishing to officiate under QuidditchUK events and fixtures must be familiar and qualified with the most current version of the IQA Rulebook.
QuidditchUK employed the USQuidditch iteration of the ruleset until Rulebook 9, until a switch was made to the IQA version at the start of the 2017/2018 season.
USQ Rulebooks were all written by a dedicated team of volunteers, all photography and credit therein lies with USQuidditch.
For more information please visit USQ Rulebook Site.