31 CFR § 359.27
What is the issue date of a definitive Series I savings bond?
July 31, 2023
§ 359.27 What is the issue date of a definitive Series I savings bond?
The issue date of a definitive bond is the first day of the month in which an authorized issuing agent received payment of the issue price.
[76 FR 66856, Oct. 28, 2011]