{"code":"CCP","codeName":"Code of Civil Procedure","section":"1258.030","citation":"Code Civ. Proc., § 1258.030","status":"in-force","lawOn":"2026-09-28","headings":[{"name":"PART 3. OF SPECIAL PROCEEDINGS OF A CIVIL NATURE [1063. - 1822.60.]","url":"https://blackletter.si/code-of-civil-procedure/part-3"},{"name":"TITLE 7. EMINENT DOMAIN LAW [1230.010. - 1273.050.]","url":"https://blackletter.si/code-of-civil-procedure/part-3/title-7"},{"name":"CHAPTER 7. Discovery; Exchange of Valuation Data [1258.010. - 1258.300.]","url":"https://blackletter.si/code-of-civil-procedure/part-3/title-7/chapter-7"},{"name":"ARTICLE 1. Discovery [1258.010. - 1258.030.]","url":"https://blackletter.si/code-of-civil-procedure/part-3/title-7/chapter-7/article-1"}],"history":"Added by Stats. 1975, Ch. 1275.","effective":null,"html":"<p>Nothing in this chapter makes admissible any evidence that is not otherwise admissible or permits a witness to base an opinion on any matter that is not a proper basis for such an opinion.</p>","text":"Nothing in this chapter makes admissible any evidence that is not otherwise admissible or permits a witness to base an opinion on any matter that is not a proper basis for such an opinion.","otherVersions":[],"url":"https://blackletter.si/code-of-civil-procedure/discovery-1258-030","source":"California Legislative Information bulk export (pubinfo)"}