New York CHAR 037 is a type of New York State tax form used for filing an estimated tax return for the current calendar year. This form is used by individuals, sole proprietors, or certain trusts and estates who are required to pay estimated taxes. It is also used by those who are subject to the Alternative Minimum Tax (AMT). New York CHAR 037 is broken down into three types: Form IT-2105, Form IT-2105-ATT, and Form IT-2105-V. Form IT-2105 is used to calculate the amount of estimated tax due each quarter and to report income during the calendar year. Form IT-2105-ATT is used to report additional information related to the IT-2105. Form IT-2105-V is used to make payments electronically.