New York Application for Index Number is a form used by individuals to apply for an index number in the state of New York. Index numbers are assigned to parties in a court case to easily identify them. The application must be completed and filed with the court to begin a civil action. There are two types of New York Application for Index Number: Form UD-1 and Form UD-2. Form UD-1 is used for initiating a civil action, while Form UD-2 is used for entering a judgment or stipulation. The application requires information about the parties to the action, including names, addresses, telephone numbers, and attorneys (if applicable). The application must also include a brief description of the nature of the action, the relief sought, and the county in which the action is to be brought.