Cal. Welf. and Inst. Code § 1256
The Youth Authority shall have the same powers, duties, and responsibilities in respect to the Heman G. Stark Youth Training School and the persons confined therein that the Youth Authority has in respect to institutions established for persons committed to the Youth Authority under Division 2.5 of this code and in respect to such persons, except that the Youth Authority shall have no power to parole, discharge, grant leave of absence to, or otherwise release from the Heman G. Stark Youth Training School any person under the custody of the Director of Corrections and transferred to and confined in the Heman G. Stark Youth Training School, or to transfer any such person from the Heman G. Stark Youth Training School to any other institution whatever, except to return him to the custody of the Director of Corrections.
Except as otherwise provided in this article, the provisions of Part 3 of the Penal Code continue to apply to all persons in the custody of the Director of Corrections who are transferred by the Adult Authority to the Heman G. Stark Youth Training School, so far as such provisions may be applicable.
Ca. Welf. and Inst. Code § 1256