The administrative director shall adopt rules pertaining to the format and content of notices required by this article; define reasonable geographic areas for the purposes of Section 4600; specify time limits for all such notices, and responses thereto; and adopt any other rules necessary to make effective the requirements of this article.
Employers shall notify all employees of their rights under this section.
Source:
Section 4603.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=LAB§ionNum=4603.5..