N.Y. Civil Practice Law & Rules § 3021: Form of affidavit of verification

Rule 3021. Form of affidavit of verification. The affidavit of

verification must be to the effect that the pleading is true to the

knowledge of the deponent, except as to the matters therein stated to be

alleged on information and belief, and that as to those matters he

believes it to be true. If it is made by a person other than the party,

he must set forth in the affidavit the grounds of his belief as to all

matters not stated upon his knowledge and the reason why it is not made

by the party.