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Federal regulations · Through 2026-08-25 · Newer source version available

31 CFR 359.14: How are composite rates determined?

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Where this section sits in the code
  1. Title 31—Money and Finance: Treasury
  2. Subtitle B—Regulations Relating to Money and Finance
  3. CHAPTER II—FISCAL SERVICE, DEPARTMENT OF THE TREASURY
  4. SUBCHAPTER A—BUREAU OF THE FISCAL SERVICE
  5. PART 359—OFFERING OF UNITED STATES SAVINGS BONDS, SERIES I
  6. Subpart A—General Information

Composite rates are set according to the following formula (See appendix A to part 359 for examples of calculations involving composite interest rates.):

Composite rate = {(Fixed rate ÷ 2) + Semiannual inflation rate + [Semiannual inflation rate × (Fixed rate ÷ 2)]} × 2. 2

Collected 2026-08-27T02:25:25Z. Source file · JSON

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