How to Create a Certificate of Conformity: A Comprehensive Guide

Dealing with legal documents often feels overwhelming. They meticulously record facts and ensure fairness, particularly in the realm of real estate law. In New York, to streamline the process of commercial debt recovery, the law permits the creation of affidavits outside the state. However, for New York courts to recognize these affidavits, they require a Certificate of Conformity. Click here to watch our introduction video

Understanding the Certificate of Conformity

This certificate verifies that the notarization of an affidavit aligns with the laws of the location where someone created it. It plays a crucial role in New York State cases, demonstrating that affidavits adhere to legal requirements. Click Here for Frequently Asked Questions About Process Servers!

Crafting the Certificate

A lawyer from the affidavit’s origin must examine the document in front of a Notary Public. Ideally, this examination should occur during the affidavit’s creation. Given this requirement is unique to New York, lawyers from other states may not be familiar with it. The lawyer then certifies that the notarization meets the correct standards with a Certificate of Conformity, similar to how a Notary Public verifies document signings. Click here for information on How Process Servers Protect Your Rights: Myths Debunked

New York State Law CPLR 2309(c) and RPL-299-a define the requirements for the Certificate of Conformity. Enforcement of this rule has become stringent. Previously, New York courts accepted affidavits from other states without this certificate. Now, they insist on a Certificate of Conformity for affidavits executed outside New York. Click here for information on How To Identify A Good Process Service Agency.

The Significance of Compliance

The certificate demonstrates that a document complies with New York’s legal standards. A qualified lawyer from New York, or another authorized person, must issue it to ensure the document abides by the law, eliminating the need for further verification.

Differentiating Certificates of Conformity and Authentication

Recent cases, such as Midfirst Bank v. Agho, underscore the importance of a Certificate of Conformity for out-of-state affidavits. This certificate confirms that notarization complies with the laws of either the other state or New York, which differs from a Certificate of Authentication that verifies the notary’s authority.


Employing a notary from outside New York for a case within the state necessitates a Certificate of Conformity. This requirement ensures that New York courts will accept the document, facilitating legal proceedings and upholding the state’s legal standards.


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