In order to file a lawsuit under the ADA, a person must first file a charge of discrimination with the EEOC and complete the EEOC process. Discrimination in employment on the basis of Disability is a violation of RCW 49.60 and of the Americans with Disabilities Act.RCW Chapter 49.60 is a State law that protects all people in Washington from unfair and discriminatory practices in employment. A charge of discrimination generally must be filed within 180 days of the alleged discrimination. Mail Fill out and send the paper ADA Complaint Form. A charge of discrimination can be completed through our online system after you submit an online inquiry and we interview you. Employers, including state and local governments, with 15 or more employees, are prohibited from discriminating against people with disabilities. Workplace Discrimination. Washington state law protects all people from discriminatory and unfair practices in the workplace. Were you discriminated against in the workplace because of a disability?