The California Fair Employment and Housing Act (FEHA) protects employees against age discrimination if they are aged 40 or older. You can file your complaint online.However, it is unlawful to use an application or pre-employment inquiry to reject you because you are 40 years old or older. Print and fill out a hard copy of the Intake Form that matches your issue and send it. Via U.S. mail to any of CRD's office locations. In general, it is unlawful for employers to discriminate against employees over the age of 40 on the basis of their age. It is illegal to discriminate against any employee or applicant over the age of 40 on the basis of age. The Age Discrimination in Employment Act (ADEA) forbids age discrimination against people who are age 40 or older. It is illegal to discriminate against any employee or applicant over the age of 40 on the basis of age. While it is unlawful to discriminate or harass employees because of their age, it is still common in California and across the nation.