Effective June 1, 2026, the New York State Unified Court System implemented a new statewide rule (Part 161) governing attorneys' use of artificial intelligence (AI) in court filings. The rule permits attorneys to use AI tools when preparing submissions to the court and does not require disclosure of AI use. However, attorneys remain fully responsible for the accuracy of any AI-assisted work and must independently verify that filings do not contain fabricated cases, statutes, citations, or other false information.
Appendix A of the rule provides:
"Appendix A Model Rule Regarding Use of Artificial Intelligence Technology in Preparing Court Papers
Every attorney or party who uses an artificial intelligence (AI) tool in preparing any paper submitted to this court is expected to understand that tool's capabilities and limitations. Attorneys and parties need to be aware that AI tools, among other risks and limitations, can generate fabricated information or fictitious citations to authority (commonly known as hallucinations). Under existing authority, by signing a paper and submitting it to this court, an attorney or party certifies that the paper does not contain any false material factual statement or any frivolous legal argument Cree, e.g, 22 NYCRR 130-1.1, 130-1.1a), and an attorney who submits any paper to this court is additionally bound by the Rules of Professional Conduct. Accordingly, any attorney or party who uses an artificial intelligence tool, as defined in 22 NYCRR 161.2(a), in preparing any paper, as defined in 22 NYCRR 161.2(b), filed in or submitted to this court or served on another party in a case before this court is required to carefully review the paper and independently ensure that it contains no fabricated or fictitious cases, statutes, or other material. By signing such paper, an attorney or party certifies that such a review has been conducted and that the paper contains no such fabricated or fictitious content. If this court determines that this requirement has not been satisfied, such attorney or party may be subject to sanction or other remedial action."
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