31 C.F.R. § 370.36 When does a transaction request become effective?
Title 31 - Money and Finance: Treasury
Except for auction bids of U.S. securities or unless otherwise agreed, a transaction request becomes effective at the moment we send a confirmation message. In no instance does a transaction request become effective before we actually receive the request.
Title 31: Money and Finance: Treasury
PART 370—ELECTRONIC TRANSACTIONS AND FUNDS TRANSFERS RELATING TO UNITED STATES SECURITIES
Subpart D—Electronic Submission of Transaction Requests Through the Bureau of the Public Debt
§ 370.36 When does a transaction request become effective?