2010 New York Code
CPL - Criminal Procedure
Part 2 - THE PRINCIPAL PROCEEDINGS
Title J - PROSECUTION OF INDICTMENTS IN SUPERIOR COURTS--PLEA TO SENTENCE
Article 260 - (260.10 - 260.30) JURY TRIAL--GENERALLY
260.20 - Jury trial; defendant's presence at trial.

§ 260.20  Jury trial; defendant's presence at trial.
    A  defendant  must  be  personally  present  during  the  trial  of an
  indictment; provided, however, that a defendant who conducts himself  in
  so  disorderly  and disruptive a manner that his trial cannot be carried
  on with him in the courtroom may be removed from the courtroom if, after
  he has been warned by the court that he will be removed if he  continues
  such conduct, he continues to engage in such conduct.