{"code":"PEN","codeName":"Penal Code","section":"939.4","citation":"Pen. Code, § 939.4","status":"in-force","lawOn":"2026-09-28","headings":[{"name":"PART 2. OF CRIMINAL PROCEDURE [681. - 1620.]","url":"https://blackletter.si/penal-code/part-2"},{"name":"TITLE 4. GRAND JURY PROCEEDINGS [888. - 939.91.]","url":"https://blackletter.si/penal-code/part-2/title-4"},{"name":"CHAPTER 3. Powers and Duties of Grand Jury [914. - 939.91.]","url":"https://blackletter.si/penal-code/part-2/title-4/chapter-3"},{"name":"ARTICLE 4. Conduct of Investigations [939. - 939.91.]","url":"https://blackletter.si/penal-code/part-2/title-4/chapter-3/article-4"}],"history":"Added by Stats. 1959, Ch. 501.","effective":null,"html":"<p>The foreman may administer an oath to any witness appearing before the grand jury.</p>","text":"The foreman may administer an oath to any witness appearing before the grand jury.","otherVersions":[],"url":"https://blackletter.si/penal-code/conduct-of-investigations-939-4","source":"California Legislative Information bulk export (pubinfo)"}