New York Packet for Dispute over Refund is a form used to resolve disputes between taxpayers and the New York State Department of Taxation and Finance over refunds. This packet includes forms and instructions to help taxpayers file an appeal and request a formal review of their refund dispute. There are two types of New York Packet for Dispute over Refund: Individual Income Tax Refund Dispute Packet and Business Tax Refund Dispute Packet. The Individual Income Tax Refund Dispute Packet includes Form DTF-1027, which is used to dispute a refund or reduction of a refund, Form DTF-915, which is used to provide additional information to the department, and instructions on how to complete the packet. The Business Tax Refund Dispute Packet includes Form AU-11, which is used to dispute a refund or reduction of a refund, Form AU-11A, which is used to provide additional information to the department, and instructions on how to complete the packet.