A New York Notice of Commencement of Action Subject to Mandatory Electronic Filing is a document that is required to be filed electronically when initiating a lawsuit in the state of New York. This document is typically filed in the New York Supreme Court's Electronic Filing System (NYSE). There are two types of New York Notice of Commencement of Action Subject to Mandatory Electronic Filing: 1. Notice of Commencement of Action: This document is used to initiate a lawsuit in the New York Supreme Court and is required to be filed electronically. The document must include the names of the parties, a statement that the action is commenced by the filing of the document, the name and address of the attorney for the plaintiff (if applicable), and any other information the court may require. 2. Notice of Commencement of Action Subject to Mandatory Electronic Filing: This document is similar to the Notice of Commencement of Action, except that it is required to be filed electronically and must include the same information as the Notice of Commencement of Action. It is typically used when the parties involved agree to file the action electronically. Both of these documents must be filed electronically with the New York Supreme Court's Electronic Filing System (NYSE).