To prove wrongful termination, employees must show that their firing broke state or federal law. Let's walk through some common illegal reasons for dismissal.An employee who has been terminated based on retaliation, breach of contract, or discrimination can bring a wrongful termination claim against the employer. Learn the steps to file a complaint against your Arizona employer. Understand your rights and the process to address workplace issues effectively. You can file a formal job discrimination complaint with the EEOC whenever you believe you are: This complaint is called a "Charge of Discrimination." In Arizona, a state law wrongful termination lawsuit must be filed within one year of the termination date. If you believe you've experienced wrongful termination, consider filing a claim with the Equal Employment Opportunity Commission (EEOC). How Do I File a Wrongful Termination Claim in Arizona? Before filing a claim in Arizona, you must determine if your termination was wrongful.