Forgery is a white collar criminal offense that involves creating a false written document with the intent to defraud. Forgery, deceive or injure another, he falsely makes, completes or alters a written instrument which is or purports to be.Forgery in the Third Degree, New York Penal Law 170.05, is a misdemeanor crime that carries a sentence of up to one year in jail. Criminal possession of a forged instrument is a legal charge that falls under the broader category of forgery and fraud offenses. NYC and White Plains and Westchester County Forgery defense attorneys and lawyers can handle fraud cases involving false documents. When you are finished, you can print your completed form.