You'll need to share with them the same documents you will have already given to be on this list: http://credibilityalliance.org/accreditation-accredited-organizations.html See also: https://www.paypal.com/us/smarthelp...et-up-with-paypal-to-accept-donations-faq1068 or are you trying to cheat and claim to be a non-profit to get lower fees? If so, shame on you.