Versions of California Welfare and Institutions Code 10421 - As used in this chapter:(a) \"Certified provider organization\" ... on LawServer 2024 California Welfare and Institutions Code 10421 – As used in this chapter:(a) “Certified provider organization” … 2023 California Welfare and Institutions Code 10421 – As used in this chapter:(a) “Certified provider organization” … 2022 California Welfare and Institutions Code 10421 – As used in this chapter:(a) “Certified provider organization” … 2021 California Welfare and Institutions Code 10421 – As used in this chapter:(a) “Certified provider organization” …