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Directory Results for 1545-1150 Short Return of Organization Exempt From Income Tax Form 990 ' EZ Department of the Treasury Sponsoring organizations , and controlling organizations as defined In section 512 (b)(13) must file Form 990 to 1545-1150 Under section 501 (c), 527, or 4947(a)(1) o the Internal Revenue Code 990-EZ Department of the Treasury Internal Revenue Service ( except black lung benefit trust or private foundation) Sponsoring organizations of donor