New York Laws
Article 10-A - Liens for Taxes Payable to the United States of America and Other Federal Liens
244 - Execution of Notices and Certificates.

ยง 244. Execution of notices and certificates. Certification by the
secretary of the treasury of the United States or his delegate of
notices of liens or certificates or notices affecting such liens
entitles them to be filed. No other attestation, certification or
acknowledgment is necessary.