§ 346.4 Proof of purchase.
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
At the time an Individual Retirement Bond is issued, the issuing agent will furnish therewith to the purchaser a copy of Form PD 4345 for the purchaser's personal records. The form will show the name and address of the registered owner, his date of birth, social security account number, the number of bonds issued, a description thereof by issue date, serial numbers, denominations, and registration.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.