Office of the Chief Administrative Hearing Officer OCAHO Büro des Chefs des Verwaltungsgerichtsverfahrens Office of the Chief Administrative Hearing Officer Oficina del Jefe de Audiencias Administrativas Oficina del Jefe de Audiencias Administrativas Bureau du chef de l'audience administrative משרד השופט המנהלי הראשי मुख्य प्रशासनिक सुनवाई अधिकारी कार्यालय 行政手続裁判所長官事務所 Escritório do Chefe do Processo Administrativo 行政听证官办公室 OCAHO Office of the Chief Administrative Hearing Officer The Office of the Chief Administrative Hearing Officer (OCAHO) is a U.S. federal agency headed by a Chief Administrative Hearing Officer who is responsible for the general supervision and management of Administrative Law Judges who preside at hearings which are mandated by provisions of law enacted in the Immigration Reform and Control Act of 1986 (IRCA (PDF)) and the Immigration Act of 1990 (PDF). These acts, among others, amended the Immigration and Nationality Act of 1952 (INA).