Unlawful Employment Activities. Discrimination. Pail or refuse to refer to employment, or otherwise discriminate.O. Classify or refer for employment because of your sexual orientation. The HHSC Civil Rights Office must receive the complaint of discrimination within 180 days of the date the alleged discriminatory action took place. There are strict deadlines for filing a charge of discrimination, please review the information in the timeliness tab or call 1-800-669-4000. This article explains how to file a complaint if you believe your employer has discriminated against you. Please include the earliest date of discrimination and the most recent date of discrimination. How were you discriminated against? Make a complaint to your manager and Human Resources that you believe that you're the subject of unlawful discrimination. Employment Discrimination.