CFR > Title 31 - Money and Finance: Treasury > SUBTITLE B—Regulations Relating to Money and Finance > CHAPTER II—FISCAL SERVICE, DEPARTMENT OF THE TREASURY (parts 200 to 391) > SUBCHAPTER B—BUREAU OF THE PUBLIC DEBT (parts 306 to 391) > 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 (§370.35 to §370.41) > 370.39—To what extent is a digital signature admissible in any civil litigation or dispute?

370.39—To what extent is a digital signature admissible in any civil litigation or dispute?

In asserting a digital signature against you in any civil litigation or dispute, extrinsic evidence of authenticity as a condition precedent of admissibility (such as testimony about the scientific validity of digital signatures) is not necessary to establish:
(a) That a digital signature corresponds to a specific public key pair, and;
(b) That an electronic message to which the digital signature is affixed has not been altered from its original form.