Health and Safety Code § 7202

The unclaimed dead retained by the State department for scientific or educational purposes shall be embalmed and disposed of in accordance with the instructions of the State department. Such unclaimed dead shall be held for a period of thirty days by those to whom they may have been assigned for scientific or educational purposes, subject to claim and identification by any authenticated relative of the decedent for purpose of interment or other disposition in accordance with the directions of such relative.