A Certificate of Disposition can be requested at the Criminal Courts, Supreme Courts and city courts of New York. It represents an official document that mentions the final disposition of a case. It is mandatory to request one for each time you got convicted as it's a proof that you've served your sentence and that there won't be any further actions against you. This helps you to get a license or to show it to anyone who might be interested in your criminal record. http://www.certificateofdisposition.com/brooklyn-certificate-of-disposition/