Generally, you must file a New York State resident income tax return if you are a New York State resident and meet any of the following conditions. Download and complete the Declaration Of Domicile Florida (PDF) form.To qualify for NY resident tuition rates a student must have maintained a legal residence in NY State for one year and in the county for six months. The general rule of thumb is that you have not created a new domicile in your new state until you give up residency in the former state. Usually, you must establish a domicile or live in a state for 183 days or more to be considered a resident. The Assessor Department's most requested forms are provided below. Print the form, fill it out, keep a copy for your records, and send it in. You would be considered a resident if you spend more than half the year living in a certain state or have established your domicile there.