New York Laws
Article 100 - Commencement of Action in Local Criminal Court or Youth Part of a Superior Court--Accusatory Instruments
100.20 - Supporting Deposition; Definition, Form and Content.


A supporting deposition is a written instrument accompanying or filed
in connection with an information, a simplified information, a
misdemeanor complaint or a felony complaint, subscribed and verified by
a person other than the complainant of such accusatory instrument, and
containing factual allegations of an evidentiary character, based either
upon personal knowledge or upon information and belief, which supplement
those of the accusatory instrument and support or tend to support the
charge or charges contained therein.