From the OVA's Youth Competitions Manual
6.17 Lining and Scoring
NEW THIS YEAR for the 15U and 16U DIVISIONS: For pool play only, teams that are not competing in a match will be responsible for lining and scoring. The team that is required to do so for each match will be listed on the tournament schedule. NOTE: This requirement is for athletes only, parents/siblings are not permitted to fill this responsibility.
Parents of OVA players must complete this course. It's a one-time course for at least one parent per family.
Cost: $12 (paid to the OVA)
Course is good for life and across all sports