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Semi-Annual Interest Rate Certification

Calendar Year 2008

In February 1997, the Fiscal Assistant Secretary of the U.S. Department of the Treasury delegated to the Bureau of the Public Debt (now the Bureau of the Fiscal Service) the responsibility of providing interest rate certification to various agencies.

The following table contains rates certified by Treasury for various statutory purposes.


(Updated February 25, 2010)
Legislation Effective Date
Jan - Jun 2008 Jul - Dec 2008
National Housing Act - Section 221(g)(4) 4-1/8% 3-7/8%
National Housing Act - Section 224 4-1/2% 4-5/8%
Alaska Native Claims Act - Public Law 94-204, Section 2(b) 1.90% 0.11%
Prompt Payment Act / Contract Disputes Act 4-3/4% 5.125%