The voter registration form should be used as a change of address form. Notices of change of address from registered voters received at least 20 days before a special, primary or general election by a county board of elections must be processed and entered in the records in time for that election.
The voter registration form should be used to change your party enrollment from one party to another or to enroll for the first time in a party. A change of enrollment received no later than 25 days before the general election shall be deposited in a sealed enrollment box and opened the first Tuesday following that general election and entered in the voter's registration record.
N.Y. Election Law (5-508) allows victims of domestic violence who obtain a court order from NY Supreme Court in the county where they are registered to have their voter registration record kept separate and apart from other registration records and not be made available for inspection or copying by the public or any other person, except election officials acting within the course and scope of their official duties. Under a separate section of the law (11-306), you can also be excused from going to your polling place to vote and get a special ballot. For further information, you should contact your local board of elections for their confidential registration and special ballot procedures.