497J 1 c60327je497j.txt 497J September 30, 2010 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 ATTN: Ms. Patsy Mengiste Document Control - EDGAR RE: RiverSource Income Series, Inc. Columbia Income Builder Fund (formerly known as RiverSource Income Builder Basic Income Fund) Post-Effective Amendment No. 108 File Nos. 2-10700/811-499 Dear Ms. Mengiste: Pursuant to Rule 497(j) under the Securities Act of 1933, as amended, please accept this letter as certification that the prospectuses and Statement of Additional Information for the above-referenced fund do not differ from that contained in Registrant's Post-Effective Amendment No. 108 (Amendment). This Amendment was filed electronically on or about Sept. 27, 2010. If you have any questions regarding this filing, please contact either Erin Nygard at (612) 671-2543 or me at (612) 671-4321. Sincerely, /s/ Christopher O. Petersen ------------------------------------ Christopher O. Petersen Vice President and Chief Counsel Ameriprise Financial, Inc.