New York Notice of Application For Leave To Appeal Pursuant To CPL 460.15 is a set of documents filed in New York state courts when someone is seeking leave to appeal a lower court decision. This application is filed by a party or attorney seeking leave to appeal a lower court decision, and is typically used when a party is seeking to appeal a decision of a lower court to a higher court (usually the New York Court of Appeals). The Notice of Application must contain the relevant facts and legal arguments for the appeal, as well as a specific request for leave to appeal. There are two types of New York Notice of Application For Leave To Appeal Pursuant To CPL 460.15: (1) Notice of Application for Leave To Appeal by Permission and (2) Notice of Application for Leave To Appeal as a Matter of Right. The former applies when the party is seeking leave to appeal as a matter of discretion, whereas the latter applies when the party is seeking leave to appeal as a matter of right, i.e. when the appeal is based on a jurisdictional question or an issue of public importance.