Employers with more than five employees who do not already offer a qualified retirement savings plan are required to register for the CalSavers program. Although CalSavers was officially open for registration as of July 1, 2019, employers with over 100 employees are not required to register until June 30, 2020. Employers with over 50 employees will be required to register before June 30, 2021 and employers with five or more employees must register by June 30, 2022.