31 C.F.R. § 359.28 Are taxpayer identification numbers (TINs) required for the registration of definitive Series I savings bonds?
Title 31 - Money and Finance: Treasury
The registration of a definitive Series I savings bond must include the TIN of the owner or first-named coowner. If the bond is being 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. [71 FR 46857, Aug. 15, 2006]
Title 31: Money and Finance: Treasury
PART 359—OFFERING OF UNITED STATES SAVINGS BONDS, SERIES I
Subpart B—Definitive Series I Savings Bonds
§ 359.28 Are taxpayer identification numbers (TINs) required for the registration of definitive Series I savings bonds?