When a criminal action in which a crime is charged is commenced in a local criminal court, or youth part of the superior court other than the criminal court of the city of New York, a copy of the accusatory instrument shall be promptly transmitted to the appropriate district attorney upon or prior to the arraignment of the defendant on the accusatory instrument. If a police officer or a peace officer is the complainant or the filer of a simplified information, or has arrested the defendant or brought him before the local criminal court or youth part of the superior court on behalf of an arresting person pursuant to subdivision one of section, such officer or his agency shall transmit the copy of the accusatory instrument to the appropriate district attorney. In all other cases, the clerk of the court in which the defendant is arraigned shall so transmit it.
N.Y. Crim. Proc. Law § 110.20