{"data":{"id":"us/31-cfr-359.28","jurisdiction":"us","citation":"31 CFR 359.28","heading":"Are taxpayer identification numbers (TINs) required for the registration of definitive Series I savings bonds?","body":"The registration of a definitive Series I savings bond must include the TIN of the owner or first-named coowner. If the bond was purchased as a gift or award and the owner's TIN is not known, the TIN of the purchaser must be included in the registration of the 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 B—Definitive 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":"25405d7074185e60962c5742c97ff11bd751d728714bb5fb128db281278a1fe8","source_id":"us-cfr","stale":true,"prev":"us/31-cfr-359.27","next":"us/31-cfr-359.29-359.33"},"notice":"GroundRules: Original legal text. Not legal advice."}