31 CFR § 357.25 - Security interests.
---
identifier: "/us/cfr/t31/s357.25"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "31 CFR § 357.25 - Security interests."
title_number: 31
title_name: "Money and Finance: Treasury"
section_number: "357.25"
section_name: "Security interests."
chapter_name: "FISCAL SERVICE, DEPARTMENT OF THE TREASURY"
subchapter_number: "A"
subchapter_name: "BUREAU OF THE FISCAL SERVICE"
part_number: "357"
part_name: "REGULATIONS GOVERNING BOOK-ENTRY TREASURY BONDS, NOTES AND BILLS HELD IN TREASURY/RESERVE AUTOMATED DEBT ENTRY SYSTEM (TRADES) AND LEGACY TREASURY DIRECT"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "31 U.S.C. chapter 31; 5 U.S.C. 301; 12 U.S.C. 391."
regulatory_source: "51 FR 18265, May 16, 1986, unless otherwise noted."
cfr_part: "357"
---
# 357.25 Security interests.
(a) *General.* The Department will not recognize any notice or claim of a lien, encumbrance, or security interest of any kind, including a pledge, in a security in Legacy Treasury Direct ® except as provided in § 357.23 and in paragraph (b) of this section.
(b) *Security for the performance of duty or obligation under Federal law.* The Department will accept and hold pursuant to the provisions of 31 U.S.C. 9303, book-entry bonds, notes or bills submitted in lieu of a surety bond as security for the performance of a duty or obligation required by Federal law in accordance with said section.