US lawCaliforniaConstitutionArticle I23Cal. Const. art. I, § 23California Constitution Article I, Section 23Last amended: 1974Length: 30 wordsOfficial source One or more grand juries shall be drawn and summoned at least once a year in each county. (Sec. 23 added Nov. 5, 1974, by Prop. 7. Res.Ch. 90, 1974.)PreviousCal. Const. art. I, § 22NextCal. Const. art. I, § 24