22 C.F.R. § 306.1
The purpose of this part is to establish a procedure for the filing, investigation, and administrative determination of allegations of discrimination (including harassment) based on race, color, religion, sex, national origin, age (40 or over), disability or other bases provided for in applicable statutes, regulations or the Peace Corps Manual or history of participation in the Peace Corps discrimination complaint process which arise in connection with the recruitment, selection, placement, service, or termination of applicants, trainees, or volunteers. In addition, any Peace Corps applicant, trainee, or volunteer may submit an allegation of discrimination to the Peace Corps Office of Inspector General at any time, and the allegation will be processed in accordance with policy and procedures of the Office of Inspector General.
22 C.F.R. §306.1