Information provided pursuant to subdivision (f) of section thirty-one hundred one of this article shall be accompanied by a certification by the defendant, third-party defendant, or defendant on a cross-claim or counter-claim and a certification by any attorney appearing for the defendant, third-party defendant, or defendant on a cross-claim or counter-claim, sworn in the form of an affidavit or affirmation where appropriate, stating that the information is accurate and complete, and that reasonable efforts have been undertaken, and in accordance with paragraph two of subdivision (f) of section thirty-one hundred one of this article will be undertaken, to ensure that this information remains accurate and complete.
N.Y. CPLR 3122-B