31 CFR 359.16
§ 359.16 When does interest accrue on Series I savings bonds?
United States · 31 CFR — Money and Finance: Treasury · Status: effective
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- Citation
- 31 CFR 359.16, § 359.16 When does interest accrue on Series I savings bonds?, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/140373
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Full text
(a) Interest, if any, accrues on the first day of each month; that is, we add the interest earned on a bond during any given month to its value at the beginning of the following month.
(b) The accrued interest compounds semiannually.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.