Versions of California Business and Professions Code 21507 - A duplicate of the invoice required by this article shall be kept on ... on LawServer 2024 California Business and Professions Code 21507 – A duplicate of the invoice required by this article shall be kept on … 2023 California Business and Professions Code 21507 – A duplicate of the invoice required by this article shall be kept on … 2022 California Business and Professions Code 21507 – A duplicate of the invoice required by this article shall be kept on … 2021 California Business and Professions Code 21507 – A duplicate of the invoice required by this article shall be kept on … 2020 California Business and Professions Code 21507 – A duplicate of the invoice required by this article shall be kept on … 2019 California Business and Professions Code 21507 – A duplicate of the invoice required by this article shall be kept on … 2017 California Business and Professions Code 21507 – A duplicate of the invoice required by this article shall be kept on … 2016 California Business and Professions Code 21507 – A duplicate of the invoice required by this article shall be kept on … 2015 California Business and Professions Code 21507 – A duplicate of the invoice required by this article shall be kept on … 2014 California Business and Professions Code 21507 – A duplicate of the invoice required by this article shall be kept on … 2013 California Business and Professions Code 21507 – A duplicate of the invoice required by this article shall be… 2010 California Business and Professions Code 21507 2009 California Business and Professions Code 21507