N.Y. Judiciary Law § 471: Attorney who is judge's partner or clerk prohibited from practicing before him or in his court

§ 471. Attorney who is judge's partner or clerk prohibited from

practicing before him or in his court. The law partner or clerk of a

judge shall not practice before him, as attorney or counsellor in any

cause, or be employed in any cause which originated before him. A law

partner of, or person connected in law business with a judge, shall not

practice or act as an attorney or counsellor, in a court, of which the

judge is, or is entitled to act as a member, or in a cause originating

in that court; except where the latter is a member of a court, ex

officio, and does not officiate or take part, as a member of that court,

in any of the proceedings therein.