Regulations last checked for updates: Dec 17, 2025

Title 31 - Money and Finance: Treasury last revised: Aug 04, 2025
§ 359.46 - What are the denominations and prices of book-entry Series I savings bonds?

Book-entry bonds are issued in a minimum amount of $25, with additional increments of one cent. Book-entry bonds are sold at par value.

source: 67 FR 64278, Oct. 17, 2002, unless otherwise noted.
cite as: 31 CFR 359.46