{"data":{"id":"us/31-cfr-363.164","jurisdiction":"us","citation":"31 CFR 363.164","heading":"Is a converted savings bond eligible to be converted back into a definitive bond?","body":"Once a definitive savings bond has been converted to a book-entry bond, it may not be converted back into a definitive bond.","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 363—REGULATIONS GOVERNING SECURITIES HELD IN TREASURYDIRECT","Subpart E—Conversion of a Definitive Savings Bond"],"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":"29c730455c80e6787639578253da72c9b779167fc6b6171def99ca464dd3a428","source_id":"us-cfr","stale":true,"prev":"us/31-cfr-363.163","next":"us/31-cfr-363.165"},"notice":"GroundRules: Original legal text. Not legal advice."}