Regulations last checked for updates: May 17, 2024

Title 31 - Money and Finance: Treasury last revised: May 10, 2024
§ 359.5 - What is the maturity period of a Series I savings bonds?

Series I savings bonds have a total maturity period of 30 years from the issue date, consisting of an original maturity period of 20 years and an extension period of 10 years.

source: 67 FR 64278, Oct. 17, 2002, unless otherwise noted.
cite as: 31 CFR 359.5