The New York Affidavit of Domestic Partnership Registration is a form that must be completed and signed by two individuals in order to register a domestic partnership in the state of New York. The form must be notarized and filed with the New York State Department of Health in order to be recognized. The different types of New York Affidavit of Domestic Partnership Registrations are the Original Affidavit, the Amendment Affidavit, and the Termination Affidavit. The Original Affidavit of Domestic Partnership Registration is the document that must be completed and signed by the two individuals to register their domestic partnership. The Amendment Affidavit is used to make changes to the original registration, such as adding or removing a partner. Finally, the Termination Affidavit is used to officially end the registered domestic partnership. All of these affidavits require both partners to sign, and must be notarized and filed with the New York State Department of Health.