As a league or association, you are able to set a maximum number of spectators per player...
From the web:
1. Log in to app.teamlinkt.com
2. Click 'Manage Seasons'
3. Click Manage Waiver
4. Enter in the maximum number of spectators allowed per player & click Save.
When the participant is filling out the event waiver form, they will be able to also complete the waiver for the amount of spectators listed above.