Weighted average interest rate update; corporate bond indices; 30-year Treasury securities; segment rates. This notice contains updates for the corporate bond weighted average interest rate for plan years beginning in January 2011; the 24-month average segment rates; the funding transitional segment rates applicable for January 2011; and the minimum present value transitional rates for December 2010.

This announcement contains a correction to Revenue Procedure 2011-8, 2011-1 I.R.B. 237, which contains an error in the user fee schedule that applies to a non-mass submitter of a master or prototype (M&P) plan. Rev. Proc. 2011-8 corrected.