Penal Code section 939.9

A grand jury shall make no report, declaration, or recommendation on any matter except on the basis of its own investigation of the matter made by such grand jury. A grand jury shall not adopt as its own the recommendation of another grand jury unless the grand jury adopting such recommendation does so after its own investigation of the matter as to which the recommendation is made, as required by this section.

Source: Section 939.9, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PEN§ionNum=939.­9.­ (updated Jan. 1, 1959; accessed Jul. 14, 2025).

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Verified:
Jul. 14, 2025

§ 939.9's source at ca​.gov