California Code, Business and Professions Code - BPC § 16600.1

(b)(1) For current employees, and for former employees who were employed after January 1, 2022, whose contracts include a noncompete clause, or who were required to enter a noncompete agreement, that does not satisfy an exception to this chapter, the employer shall, by February 14, 2024, notify the employee that the noncompete clause or noncompete agreement is void.

(2) Notice made under this subdivision shall be in the form of a written individualized communication to the employee or former employee, and shall be delivered to the last known address and the email address of the employee or former employee.