As part of such sentence, the court shall order the director of corrections and rehabilitation and the Hawaii paroling authority to prepare an application for the governor to commute the sentence to life imprisonment with parole at the end of twenty years of imprisonment; provided that persons who are repeat offenders under section 706-606.5 shall serve at least the applicable mandatory minimum term of imprisonment.

Persons under the age of eighteen years at the time of the offense who are convicted of first degree murder or first degree attempted murder shall be sentenced to life imprisonment with the possibility of parole.

If the court imposes a sentence of life imprisonment without possibility of parole pursuant to § 706-657, as part of that sentence, the court shall order the director of corrections and rehabilitation and the Hawaii paroling authority to prepare an application for the governor to commute the sentence to life imprisonment with parole at the end of twenty years of imprisonment; provided that persons who are repeat offenders under section 706-606.5 shall serve at least the applicable mandatory minimum term of imprisonment.