501c3 charity status
CouchSurfing - Narrative Description Exemption - 5.16.09 - IRS Denial Letter
(source: http://blog.couchsurfing.org/casey/2011/09/irs-denial-letter)
CouchSurfing International - 501c3 Denial Letter from IRS - March
(source: http://blog.couchsurfing.org/casey/2011/09/irs-denial-letter)
CouchSurfing charitable non-profit organization on VolunteerMatch
(source: http://www.volunteermatch.org/search/org83968.jsp)