31 CFR § 363.53
What is the minimum amount of book-entry savings bonds that I may purchase in any transaction?
July 31, 2023
§ 363.53 What is the minimum amount of book-entry savings bonds that I may purchase in any transaction?
Each bond purchase must be in a minimum amount of $25, with additional one-cent increments above that amount, in any one transaction. For example, a purchase may be $25.00, $25.01, $25.02, or $25.03, and so forth.