{"data":{"id":"us/31-cfr-359.8","jurisdiction":"us","citation":"31 CFR 359.8","heading":"How does interest accrue on Series I savings bonds?","body":"A bond accrues interest based on both a fixed rate of return and a semiannual inflation rate. A single, annual rate called the composite rate reflects the combined effects of the fixed rate and the semiannual inflation rate. For more information, see appendix B of part 359.","path":["Title 31—Money and Finance: Treasury","Subtitle B—Regulations Relating to Money and Finance","CHAPTER II—FISCAL SERVICE, DEPARTMENT OF THE TREASURY","SUBCHAPTER A—BUREAU OF THE FISCAL SERVICE","PART 359—OFFERING OF UNITED STATES SAVINGS BONDS, SERIES I","Subpart A—General Information"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-31.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:25Z","sha256":"abe34d6161a67037119d006e9d2d9dfba31e663fbca4720b294c25bba3344b78","source_id":"us-cfr","stale":true,"prev":"us/31-cfr-359.7","next":"us/31-cfr-359.9"},"notice":"GroundRules: Original legal text. Not legal advice."}