A Practice Note describing steps a federal agency must take when investigating a complaint of discrimination, harassment, or retaliation from a federal employee or job applicant, including preparing the Report of Investigation (ROI) and the Final Agency Decision (FAD). This Note addresses investigations under the equal employment opportunity (EEO) complaint process described in 29 C.F.R. Part 1614 and enforced by the Equal Employment Opportunity Commission (EEOC). This Note addresses federal law and procedures applicable to federal sector employees and applicants.