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Directory Results for 15451150 2012 G Department of the Treasury Internal Revenue Service A B Sponsoring organizations of donor advised funds, organizations that operate one or more hospital facilities, and certain controlling organizations as defined in section to 15451150 2012 Under section 501(c), 527, or 4947(a)(1) of the Internal Revenue Code (except black lung benefit trust or private foundation) Sponsoring organizations of donor advised funds , organizations that operate one or more hospital