31 CFR § 360.0 - Applicability.

---
identifier: "/us/cfr/t31/s360.0"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "31 CFR § 360.0 - Applicability."
title_number: 31
title_name: "Money and Finance: Treasury"
section_number: "360.0"
section_name: "Applicability."
chapter_name: "FISCAL SERVICE, DEPARTMENT OF THE TREASURY"
subchapter_number: "A"
subchapter_name: "BUREAU OF THE FISCAL SERVICE"
part_number: "360"
part_name: "REGULATIONS GOVERNING DEFINITIVE 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; 31 U.S.C. 3105 and 3125."
regulatory_source: "63 FR 38049, July 14, 1998, unless otherwise noted."
cfr_part: "360"
---


# 360.0 Applicability.

(a) The regulations in this part apply to definitive (paper) Series I savings bonds that have not been converted to book-entry bonds through TreasuryDirect®.

(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 TreasuryDirect®; and

(2) definitive Series I savings bonds that have been converted to book-entry bonds through TreasuryDirect®.

[70 FR 14942, Mar. 23, 2005]