31 C.F.R. § 359.13 What are composite rates?
Title 31 - Money and Finance: Treasury
Composite rates are single, annual interest rates that reflect the combined effects of the fixed rate and the semiannual inflation rate.
Title 31: Money and Finance: Treasury
PART 359—OFFERING OF UNITED STATES SAVINGS BONDS, SERIES I
Subpart A—General Information
§ 359.13 What are composite rates?