31 CFR § 359.47
How is payment made for purchases of book-entry Series I savings bonds?
July 31, 2023
§ 359.47 How is payment made for purchases of book-entry Series I savings bonds?
You may only purchase book-entry Series I savings bonds online through your New Treasury Direct account. You may pay for your securities through a debit to your designated account at a United States depository financial institution, or by applying the redemption proceeds of a certificate of indebtedness held in your New Treasury Direct account.
[69 FR 50308, Aug. 16, 2004]