Cal. Penal Code § 3065

Except as otherwise provided in Section 1170.2 and Article 1 (commencing with Section 3000) of this chapter, the provisions of this article are to apply to all prisoners serving sentence in the state prisons on July 1, 1977, to the end that at all times the same provisions relating to sentence, imprisonments and paroles of prisoners shall apply to all the inmates thereof.