New York Consolidated Laws, Mental Hygiene Law - MHY § 81.42 Compliance

(a) A motion to dismiss based on the alleged failure to comply with any of the provisions of this article, other than subparagraph (i) of paragraph one of subdivision (d) of section 81.07 of this article, must be determined without regard to technical mistakes, deficiencies, and omissions that do not result in actual prejudice that affects the integrity of the proceeding.

(b) A judgment or order made pursuant to this article, unless reversed on appeal, releases the guardian and the sureties from all claims of the incapacitated person and/or any person affected thereby based on any act or omission directly authorized, approved or confirmed in the judgment or order.  This section does not apply where the judgment or order is obtained by fraud or conspiracy or by misrepresentation contained in the notice, petition, account, or in the judgment or order as to any material fact.  For purposes of this subdivision, misrepresentation of a material fact includes but is not limited to the omission of a material fact.