An individual in the United States may not be excluded from participating in, be denied the benefits of, or be subjected to discrimination under any program or activity receiving federal financial assistance on the grounds of race, color, sex, national origin, or religious and political beliefs. An individual acting on behalf of a vulnerable adult, who believes the vulnerable adult has been discriminated against may file a written complaint that sets forth the events and circumstances of the alleged discrimination. Complaints may be filed with: The Secretary of Human Services; The Office of Employment and Program Equity; or The Office of Civil Rights, Department of Health and Human Services, Region III, Philadelphia, Pennsylvania. The Department shall investigate promptly and notify the complainant of its findings within 60 days.