{"data":{"id":"us/31-cfr-359.13","jurisdiction":"us","citation":"31 CFR 359.13","heading":"What are composite rates?","body":"Composite rates are single, annual interest rates that reflect the combined effects of the fixed rate and the semiannual inflation rate. The composite rate will always be greater than or equal to 0.00%.","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":"0f213cd8644f258fd3a09a21e717467818f9c64aae15ac61d48a8f487cce36db","source_id":"us-cfr","stale":true,"prev":"us/31-cfr-359.12","next":"us/31-cfr-359.14"},"notice":"GroundRules: Original legal text. Not legal advice."}