California Code, Penal Code - PEN § 924.4

Notwithstanding the provisions of Sections 924.1 and 924.2, any grand jury or, if the grand jury is no longer impaneled, the presiding judge of the superior court, may pass on and provide the succeeding grand jury with any records, information, or evidence acquired by the grand jury during the course of any investigation conducted by it during its term of service, except any information or evidence that relates to a criminal investigation or that could form part or all of the basis for issuance of an indictment. Transcripts of testimony reported during any session of the grand jury shall be made available to the succeeding grand jury upon its request.