N.Y. Fam. Ct. Act § 1113
An appeal under this article must be taken no later than thirty days after the service by a party or the child's attorney upon the appellant of any order from which the appeal is taken, thirty days from receipt of the order by the appellant in court or thirty-five days from the mailing of the order to the appellant by the clerk of the court, whichever is earliest.
All such orders shall contain the following statement in conspicuous print: "Pursuant to section 1113 of the family court act, an appeal must be taken within thirty days of receipt of the order by appellant in court, thirty-five days from the mailing of the order to the appellant by the clerk of the court, or thirty days after service by a party or attorney for the child upon the appellant, whichever is earliest." When service of the order is made by the court, the time to take an appeal shall not commence unless the order contains such statement and there is an official notation in the court record as to the date and the manner of service of the order.
N.Y. Family Court Law § 1113