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Home
Parents
Why AYSO Soccer?
AYSO History
AYSO Philosophies
Player Cancellation and Refund/Credit Policy
Volunteering
Waitlist FAQs
Volunteer Point Policy
Play-Up Requests & Policy
Financial Assistance
Team Directory
Coaches
How to become a coach
Requirements
Training Information
Incident Report
Game Line-Up Cards
Season Kickoff for Coaches
Referees
How To Become a Referee
Laws of the Game
Referee Guidelines
Mentoring
Assessments
Referee FAQs
Why I Can't
Incident Report
Referee Staff
Programs
Program Descriptions
Fall 2025
F25 Opening Weekend & Season Overview Video
EXTRA Play
Age Division Details
Spring 2026
Sponsors
How to Sign-Up for Regional Referee Class
Register as Volunteer Referee thru Blue Sombrero.
http://ayso.bluesombrero.com/region84
Instructions how to register as an adult volunteer.
If you are a new volunteer, you need to set up a Blue Sombrero account and be assigned a new 9 digit Blue Sombrero ID#.
If you are a returning volunteer and you already have an 8-digit eAYSO ID #, your existing ID# should stay with you. Blue Sombrero assigns a new number only if it does not recognize you in eAYSO. Please check to be sure you logged in to Blue Sombrero with EXACTLY the same name you used in eAYSO. In other words, if you were James or Timothy or William in eAYSO, Blue Sombrero will not recognize Jim or Tim or Bill. Blue Sombrero will think you are a new user, assign you a new ID, and your AYSO certificates will NOT migrate over from eAYSO. Please login to Blue Sombrero again with your EXACT eAYSO name. Also, you need to e-sign the form and agree to the background check in Blue Sombrero.
Link to more detailed instructions as an adult volunteer
https://dt5602vnjxv0c.cloudfront.net/portals/14082/docs/how%20to%20register%20as%20a%20volunteer%20if%20you%20already%20have%20an%20account.pdf
Instructions how to register as a youth volunteer.
If you have a youth volunteer trying to sign in, they too must have their own Blue Sombrero ID #. It cannot be the same as yours. The system will not recognize who is who.
Link to more detailed instructions as a youth volunteer
https://dt5602vnjxv0c.cloudfront.net/portals/14082/docs/how%20to%20register%20a%20youth%20volunteer%20in%20blue%20sombrero.pdf
Registering for Regional Referee class on AYSO-U
Log-on to AYSO-U using your Blue Sombrero Account and password
https://aysou.org/default.aspx
Click on My Courses from the top red bar
Click open Instructor Led Courses (Referee)
Select Course you wish to enroll and click sessions
Choose course/place/date and click register (you may have to scroll to find your Mission Viejo Class)
Register for the Regional Referee Class
Link to more detailed instructions how to register for classes in AYSO-U
https://aysou.org/MyCourses.aspx
“Registering for Course Session”
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Mission Viejo C...
Area 11L
Section 11
AYSO National
Contact Us
AYSO Region 84
P.O. Box 6080-178
Mission Viejo, California 92690
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[email protected]
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