31 CFR § 359.1 - What regulations govern Series I savings bonds?
---
identifier: "/us/cfr/t31/s359.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "31 CFR § 359.1 - What regulations govern Series I savings bonds?"
title_number: 31
title_name: "Money and Finance: Treasury"
section_number: "359.1"
section_name: "What regulations govern Series I savings bonds?"
chapter_name: "FISCAL SERVICE, DEPARTMENT OF THE TREASURY"
subchapter_number: "A"
subchapter_name: "BUREAU OF THE FISCAL SERVICE"
part_number: "359"
part_name: "OFFERING OF UNITED STATES SAVINGS BONDS, SERIES I"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "5 U.S.C. 301; 12 U.S.C. 391; 31 U.S.C. 3105."
regulatory_source: "67 FR 64278, Oct. 17, 2002, unless otherwise noted."
cfr_part: "359"
---
# 359.1 What regulations govern Series I savings bonds?
(a) The regulations in 31 CFR part 360 apply to definitive (paper) Series I savings bonds that have not been converted to book-entry bonds through New Treasury Direct.
(b) The regulations in 31 CFR part 363 apply to:
(1) book-entry Series I savings bonds that were originally issued as book-entry bonds in New Treasury Direct; and
(2) definitive Series I savings bonds that have been converted to book-entry bonds through New Treasury Direct.
(c) We expressly disclaim any representations or warranties regarding Series I savings bonds that in any way conflict with these regulations and other applicable law.
[67 FR 64278, Oct. 17, 2002, as amended at 70 FR 14942, Mar. 23, 2005]