Home / YAS Symposium Registration 2023 YAS Symposium Registration 2023$190.00 Yuma Symposium 2023 registration Proof of Covid-19 vaccination Please upload proof of your COVID-19 vaccination and booster. (max file size 2 GB) YAS Symposium Registration 2023 quantity Your browser must support JavaScript in order to purchase ticket(s). Registration#1 First Name: * Last Name: * Email: * Phone: * School/Organization: City: * State: * Buy Ticket Now