N.Y. Criminal Procedure Law § 100.20: Supporting deposition; definition, form and content

§ 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.