West Virginia Code Chapter 62. Criminal Procedure § 62-12-20. To whom article applies

The provisions of this article shall be applied to all persons who shall be convicted of a crime committed after this article takes effect. All persons convicted of a crime committed before this article takes effect, whether convicted before or after that time, shall remain subject to the law in effect when the crime was committed, but any such person who consents to be subject to this article may avail himself of its provisions.