31 CFR § 359.18 - Is the determination of the Secretary on rates and values final?

---
identifier: "/us/cfr/t31/s359.18"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "31 CFR § 359.18 - Is the determination of the Secretary on rates and values final?"
title_number: 31
title_name: "Money and Finance: Treasury"
section_number: "359.18"
section_name: "Is the determination of the Secretary on rates and values final?"
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"
---


# 359.18 Is the determination of the Secretary on rates and values final?

The Secretary's determination of fixed rates of return, semiannual inflation rates, composite rates, and savings bonds redemption values is final and conclusive.