{"data":{"id":"us-ca/ccp-1258.030","jurisdiction":"us-ca","citation":"CCP § 1258.030","heading":"","body":"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.","path":["Code of Civil Procedure - CCP","PART 3. OF SPECIAL PROCEEDINGS OF A CIVIL NATURE [1063. - 1822.60.]","TITLE 7. EMINENT DOMAIN LAW [1230.010. - 1273.050.]","CHAPTER 7. Discovery; Exchange of Valuation Data [1258.010. - 1258.300.]","ARTICLE 1. Discovery [1258.010. - 1258.030.]"],"source_url":"https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zip","current_through":"2026-09-13","vintage":"","retrieved_at":"2026-09-14T05:56:33Z","sha256":"f2d95a6acce19ac7ab65b6aaff5b65b522d4c804bf1032743743db7def9c7c8c","source_id":"us-ca","stale":false,"prev":"us-ca/ccp-1258.020","next":"us-ca/ccp-1258.210"},"notice":"GroundRules: Original legal text. Not legal advice."}