Internal Revenue Bulletin:  2006-9 

February 27, 2006 

Notice 2006-19

Weighted Average Interest Rate Update


Table of Contents

Sections 412(b)(5)(B) and 412(l)(7)(C)(i) of the Internal Revenue Code generally provide that the interest rates used to calculate current liability for purposes of determining the full funding limitation under § 412(c)(7) and the required contribution under § 412(l) must be within a permissible range around the weighted average of the rates of interest on 30-year Treasury securities during the four-year period ending on the last day before the beginning of the plan year.

Notice 88-73, 1988-2 C.B. 383, provides guidelines for determining the weighted average interest rate and the resulting permissible range of interest rates used to calculate current liability for the purpose of the full funding limitation of § 412(c)(7) of the Code.

Section 417(e)(3)(A)(ii)(II) defines the applicable interest rate, which must be used for purposes of determining the minimum present value of a participant’s benefit under § 417(e)(1) and (2), as the annual rate of interest on 30-year Treasury securities for the month before the date of distribution or such other time as the Secretary may by regulations prescribe. Section 1.417(e)-1(d)(3) of the Income Tax Regulations provides that the applicable interest rate for a month is the annual interest rate on 30-year Treasury securities as specified by the Commissioner for that month in revenue rulings, notices or other guidance published in the Internal Revenue Bulletin.

The rate of interest on 30-year Treasury securities for January 2006 is 4.59 percent. Pursuant to Notice 2002-26, 2002-1 C.B. 743, the Service has determined this rate as the monthly average of the daily determination of yield on the 30-year Treasury bond maturing in February 2031.

The following 30-year Treasury rates were determined for the plan years beginning in the month shown below.

For Plan Years 30-Year Treasury 90% to 105% 90% to 110%
Beginning in: Weighted Permissible Permissible
Month Year Average Range Range
February 2006 4.84 4.35 to 5.08 4.35 to 5.32

Drafting Information

The principal authors of this notice are Paul Stern and Tony Montanaro of the Employee Plans, Tax Exempt and Government Entities Division. For further information regarding this notice, please contact the Employee Plans’ taxpayer assistance telephone service at 1-877-829-5500 (a toll-free number), between the hours of 8:30 a.m. and 4:30 p.m. Eastern time, Monday through Friday. Mr. Stern may be reached at 1-202-283-9703. Mr. Montanaro may be reached at 1-202-283-9714. The telephone numbers in the preceding sentences are not toll-free.


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