New York Judiciary Law Section 419 - Defendant may object to sufficiency of, or deny impeachment.

  419.  Defendant  may object to sufficiency of, or deny impeachment.
  When the defendant appears, he must answer the articles of  impeachment;
  which  he  may  do, either by objection to their sufficiency, or that of
  any article therein, or by denying the truth of the same.

Last modified: February 3, 2019