N.Y. Comp. Codes R. & Regs. tit. 9, § 517.9
(2) Illustrations. By way of illustration only, and not by way of limitation, the following are examples of authentication or identification conforming with the requirements of this subdivision:
(vi) Telephone conversations. Telephone conversations, by evidence that a call was made to the number assigned at the time by the telephone company to a particular person or business, if:
(viii) Ancient documents or data compilation. Evidence that a document or data compilation, in any form:
(x) Methods provided by statute or rule. Any method of authentication or identification provided by Act of Congress, by rules prescribed by the Supreme Court pursuant to statutory authority, or by applicable regulations prescribed pursuant to statutory authority.
(b) Self-authentication.
Extrinsic evidence of authenticity as a condition precedent to admissibility is not required with respect to the following:
(3) Foreign public documents. A document purporting to be executed or attested in an official capacity by a person authorized by the laws of a foreign country to make the execution of attestation, and accompanied by a final certification as to the genuineness of the signature and official position:
(ii) of any foreign official whose certificates of genuineness of signature and official position relates to the execution or attestation or is in a chain of certificates of genuineness of signature and official position relating to the execution of attestation.
A final certification may be made by a secretary of embassy or legation, consul general, consul, vice consul, or consular agent of the United States, or a diplomatic or consular official of the foreign country assigned or accredited to the United States. If reasonable opportunity has been given to all parties to investigate the authenticity and accuracy of official documents, the court may, for good cause shown, order that they be treated as presumptively authentic without final certification or permit them to be evidenced by an attested summary with or without final certification.
(4)
(10) Presumptions under Acts of Congress and regulations. Any signature, document, or other matter declared by Act of Congress or by applicable regulation prescribed pursuant to statutory authority to be presumptively or prima facie genuine or authentic.
(c) Subscribing witness' testimony unnecessary.
The testimony of a subscribing witness is not necessary to authenticate a writing unless required by the laws of the jurisdiction whose laws govern the validity of the writing.
(a) Requirement of authentication or identification.