New York Consolidated Laws, Domestic Relations Law - DOM § 75-g. Notice to persons outside state

1. Notice required for the exercise of jurisdiction when a person is outside this state shall be given in a manner prescribed by the law of this state for service of process, as provided in paragraph (a), (b) or (c) of this subdivision, or by the law of the state in which the service is made, as provided in paragraph (d) of this subdivision.  Notice must be given in a manner reasonably calculated to give actual notice.  If a person cannot be served with notice within the state, the court shall require that such person be served in a manner reasonably calculated to give actual notice, as follows:

2. Proof of service outside the state shall be by affidavit of the individual who made the service, or in the manner prescribed by the order pursuant to which service is made.  If service is made by mail, proof may be by a receipt signed by the addressee or other evidence of delivery to the addressee.  Proof of service may also be in the manner prescribed by the law of the state in which the service is made.

3. Notice is not required for the exercise of jurisdiction with respect to a person who submits to the jurisdiction of the court.