How can you allow any age to create an account?

Im leagues is stating
"Money Owed From IMLeagues"
how do I process my pay-pal or bank information in order to receive payments?
Thank you for your time!!!

That is what I did thank you.

My organization offers players team shirts, and I am trying to figure out how to receive shirt sizes, and weather or not they want short sleeves or tank tops in my registraion. Please help!!!