31 CFR § 316.6 - Purchase of bonds.
Series E bonds were purchased, as follows:
(a) Over-the-counter for cash—(1) Bonds registered in names of natural persons in their own right only. At such incorporated banks, trust companies, and other agencies as had been duly qualified as issuing agents.
(2) Bonds registered in names of trustees of employee savings plans. At such incorporated bank, trust company, or other agency, duly qualified as an issuing agent, provided the agent was trustee of an approved employee savings plan eligible for the special limitation in paragraph (b) of § 316.5 and prior approval to issue the bonds was obtained from the Federal Reserve Bank of the agent's district.
(3) Bonds registered in all authorized forms. At Federal Reserve Banks and Branches and at the Department of the Treasury, Washington, DC 20226.
(b) On mail order. By mail upon application to any Federal Reserve Bank or Branch or to the Department of the Treasury, accompanied by a remittance to cover the issue price. Any form of exchange, including personal checks, was accepted, subject to collection. Checks or other forms of exchange were to be drawn to the order of the Federal Reserve Bank or the United States Treasury, as the case may be. Checks payable by endorsement were not acceptable. Any depositary qualified pursuant to the provisions of 31 CFR part 203, also published as Department of the Treasury Circular No. 92, current revision, was permitted to make payment by credit for bonds applied for on behalf of its customers up to any amount for which it was qualified in excess of existing deposits, when so notified by the Federal Reserve Bank of its district.
(c) Savings stamps. The sale of United States Savings Stamps was terminated effective June 30, 1970. However, outstanding stamps affixed in fully or partially completed albums could be used to purchase Series E bonds at banks or other financial institutions authorized to issue such bonds. Stamps may be redeemed at banks and other financial institutions, through designated Federal Reserve Banks and the Bureau of the Fiscal Service, Parkersburg, West Virginia.