N.Y. Comp. Codes R. & Regs. tit. 22, § 520.11
(2) in the discretion of the Appellate Division, provided applicant is a graduate of an approved law school, to advise and represent clients and participate in any matter during the continuance of applicant's employment or association with an organization described in subdivision 7 of section 495 of the Judiciary Law or during employment with a District Attorney, Corporation Counsel or the Attorney General, but in no event for longer than 18 months.
(b) New York Law students.
A graduate student or graduate assistant at an approved law school in New York State may be admitted pro hac vice in the discretion of the Appellate Division, to advise and represent clients or participate in any matter during the continuance of applicant’s enrollment in an approved law school in New York State as a graduate student or graduate assistant, or during applicant’s employment as a law school teacher in an approved law school in New York State, if applicant is in good standing as an attorney and counselor-at-law or the equivalent of the bar of another state, territory, district or foreign country and is engaged to advise or represent the client through participation in an organization described in subdivision 7 of section 495 of the Judiciary Law or during employment with a District Attorney, corporation counsel or the Attorney General, but in no event for longer than 18 months.
(c) Association of New York counsel.
No attorney may be admitted pro hac vice pursuant to paragraph (a)(1) of this section to participate in pre-trial or trial proceedings unless he or she is associated with an attorney who is a member in good standing of the New York bar, who shall be the attorney of record in the matter.
(d) Provision of legal services following determination of major disaster.
(2) Temporary pro bono practice following the determination of a major disaster. Following a determination by this court that persons residing in New York are:
(3) Other temporary practice following the determination of a major disaster. Following the determination of a major disaster in another United States jurisdiction - after such a declaration of a state of disaster or emergency and its geographical scope have been made by the Governor and a determination of the highest court of that jurisdiction that an emergency exists affecting the justice system - an attorney who has been authorized to practice law and is in good standing in that jurisdiction and who principally practices in that affected jurisdiction may provide legal services in New York on a temporary basis in association with an attorney admitted and in good standing in New York. The authority to engage in the temporary practice of law in New York pursuant to this paragraph shall extend only to attorneys who principally practice in the area of such other jurisdiction determined to have suffered a major disaster causing an emergency affecting the justice system and the provision of legal services. Those legal services shall be limited to:
(ii) new matters in the area affected by the disaster that the attorney could have handled but is unable to do so because:
(7) Notification to clients. Attorneys authorized to practice law in another United States jurisdiction who provide legal services pursuant to this subdivision shall inform clients in New York of the jurisdiction in which they are authorized to practice law, any limits of that authorization, and the limitations on their authorization to practice law in New York as permitted by this subdivision. They shall not state or imply to any person that they are otherwise authorized to practice law in New York.
(e) Professional responsibility requirements.
An attorney admitted pro hac vice pursuant to this section:
(a) General.
An attorney and counselor-at-law or the equivalent who is a member in good standing of the bar of another state, territory, district or foreign country may be admitted pro hac vice: