NO GOODS OR SERVICES HAVE BEEN PROVIDED IN RETURN FOR DONATIONS. Your email receipt serves as proof of donation to the IRS. We will also send you an email at the end of the year for your tax donation records. The Drop In Coalition is a 501c3 charitable organization, EIN number is 85-0990800. Mailing address is PO Box 1840 41st Ave. STE 102-170, Capitola, CA 95010.