We are glad to invite you to the WP CLINIC REFEREES & DELEGATES 2023 that will take place on September 2, 2023 in Barcelona (ESP). The Clinic is especially important with respect to the new World Aquatics Water Polo rules applied from 2023 and in anticipation to the start of the new season of European Club Competitions 2023-2024. National team competitions are already played under the new rules that led to several queries about their application in different situations.From the Technical Water Polo Committee (TWPC) we believe that it is essential to address these queries in a clear and precise way and share the conclusions to the group of referees and delegates. For this reason, we are organizing this LEN WP CLINIC REFEREES & DELEGATES 2023 to discuss and clarify all new situations and guarantee a start of the season with the most uniform application of the rules. All the delegates as well as the referees (recommended 2 per country) are invited. We hope that this Clinic will be useful for all the participants and stay at your disposal for any possible questions.Kind regards,TWPC