New York Consolidated Laws, Criminal Procedure Law - CPL § 450.90 Appeal to court of appeals from order of intermediate appellate court;  in what cases authorized

1. Provided that a certificate granting leave to appeal is issued pursuant to section 460.20, an appeal may, except as provided in subdivision two, be taken to the court of appeals by either the defendant or the people from any adverse or partially adverse order of an intermediate appellate court entered upon an appeal taken to such intermediate appellate court pursuant to section 450.10, 450.15, or 450.20, or from an order granting or denying a motion to set aside an order of an intermediate appellate court on the ground of ineffective assistance or wrongful deprivation of appellate counsel, or by either the defendant or the people from any adverse or partially adverse order of an intermediate appellate court entered upon an appeal taken to such intermediate appellate court from an order entered pursuant to section 440.46 or section 440.47 of this chapter.  An order of an intermediate appellate court is adverse to the party who was the appellant in such court when it affirms the judgment, sentence or order appealed from, and is adverse to the party who was the respondent in such court when it reverses the judgment, sentence or order appealed from.  An appellate court order which modifies a judgment or order appealed from is partially adverse to each party.

2. An appeal to the court of appeals from an order of an intermediate appellate court reversing or modifying a judgment, sentence or order of a criminal court may be taken only if: