C.R.S. § 16-13-1002

(1) A person may petition the sentencing court for a resentencing hearing if the person was: (a) A juvenile at the time of his or her offense; (b) Convicted as an adult of a class 1 felony following direct filing of an information or indictment in the district court pursuant to section 19-2.5-801 or transfer of proceedings to the district court pursuant to section 19-2.5-802 or pursuant to either of these sections as they existed prior to their repeal and reenactment, with amendments, by House Bill 96-1005 ; and (c) Sentenced to life imprisonment without the possibility of parole for an offense committed on or after July 1, 1990, and before July 1, 2006. (2) If a petition is filed pursuant to subsection (1) of this section, the sentencing court shall conduct a resentencing hearing and resentence the offender as described in section 18-1.3-401 (4)(c), C.R.S. (3) The provisions of sections 17-22.5-403 (2)(c) and 17-22.5-405 (1.2), C.R.S., take effect upon resentencing. (4) A petition filed under this section is not a motion under rule 35 (c) of the Colorado rules of criminal procedure.