CPLR 4513 — Competency of person convicted of crime

§ 4513. Competency of person convicted of crime. A person who has been convicted of a crime is a competent witness; but the conviction may be proved, for the purpose of affecting the weight of his testimony, either by cross-examination, upon which he shall be required to answer any relevant question, or by the record. The party cross-examining is not concluded by such person's answer.