{"data":{"id":"us/31-cfr-359.53","jurisdiction":"us","citation":"31 CFR 359.53","heading":"Are taxpayer identification numbers (TINs) required for registration of book-entry Series I savings bonds?","body":"The TIN of each person named in the registration is required to purchase a book-entry 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 359—OFFERING OF UNITED STATES SAVINGS BONDS, SERIES I","Subpart C—Book-Entry Series I Savings Bonds"],"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":"79eb6afafd81f0cc797aeb4803083ff341bb52e08d03ff43268b37bae885df30","source_id":"us-cfr","stale":true,"prev":"us/31-cfr-359.51-359.52","next":"us/31-cfr-359.54"},"notice":"GroundRules: Original legal text. Not legal advice."}