Sentences for murder and attempted murder convictions

(1) Persons twenty-one years of age or older at the time of the offense who are convicted of first degree murder or first degree attempted murder shall be sentenced to life imprisonment without the possibility of parole. As part of the 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 twenty-one 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. (2) Except as provided in section 706-657, pertaining to enhanced sentence for second degree murder, persons convicted of second degree murder and attempted second degree murder shall be sentenced to life imprisonment with possibility of parole. The minimum length of imprisonment shall be determined by the Hawaii paroling authority; provided that persons who are repeat offenders under section 706-606.5 shall serve at least the applicable mandatory minimum term of imprisonment. If the court imposes a sentence of life imprisonment without possibility of parole pursuant to section 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.