Section 1807-A - Proceedings on default and review of judgments(a) A claimant commencing an action upon a commercial claim under this article shall be deemed to have waived all right to appeal, except that either party may appeal on the sole grounds that substantial justice has not been done between the parties according to the rules and principles of substantive law.(b) The clerk shall mail notice of the default judgment by first class mail, both to the claimant and to the party complained against. Such notice shall inform the defaulting party, in language promulgated by the state office of court administration, of such party's legal obligation to pay; that failure to pay may result in garnishments, repossessions, seizures and similar actions; and that if there was a reasonable excuse for the default the defaulting party may apply to have the default vacated by submitting a written request to the court.(c) Proceedings on default under this article are to be governed by, but are not limited to, section five thousand fifteen of the civil practice law and rules.N.Y. Uniform City Court § 1807-A