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Internal Revenue Bulletin:  2010-52 

December 27, 2010 


Notice 2010-90 Notice 2010-90

This notice contains the 2010 Cumulative List of Changes in Plan Qualification Requirements (2010 Cumulative List) described in section 4 of Rev. Proc. 2007-44, 2007-2 C.B. 54. The 2010 Cumulative List is to be used by plan sponsors and practitioners submitting determination, opinion, or advisory letter applications for plans during the period beginning February 1, 2011, and ending January 31, 2012.

Notice 2010-93 Notice 2010-93

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 December 2010; the 24-month average segment rates; the funding transitional segment rates applicable for December 2010; and the minimum present value transitional rates for November 2010.

Rev. Proc. 2010-52 Rev. Proc. 2010-52

This document describes the procedure by which the plan sponsor of a multiemployer pension plan may request and obtain approval of an extension of an amortization period in accordance with section 431(d) of the Code. Rev. Proc. 2008-67 superseded. Rev. Proc. 2010-4 modified.

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