The New York Packet for Dispute over Refund is a set of documents issued by the New York State Department of Taxation and Finance for individuals and businesses who wish to dispute a refund decision. This packet includes instructions on how to complete the packet, what forms need to be filled out, and the contact information of the Department of Taxation and Finance. The packet includes four different types of forms: Form AU-11, Form AU-11-I, Form AU-11-A, and Form AU-11-B. Form AU-11 is the Request for Refund that must be completed and submitted to the Department of Taxation and Finance. Form AU-11-I is the Information Letter that must be submitted with the request. Form AU-11-A is the Supporting Documentation Request form that must be completed and submitted with the refund request. Form AU-11-B is the Claim for Refund form that must be completed and submitted with the refund request. The New York Packet for Dispute over Refund is a vital resource for individuals and businesses who are disputing a refund decision. It allows them to submit their refund requests and supporting documents in an organized and efficient manner, ensuring that the Department of Taxation and Finance can accurately and quickly process their requests.