PRESIDENTIAL COMMISSION ON GOOD GOVERNMENT, PETITIONER, VS. OFFICE OF THE OMBUDSMAN, PLACIDO L. MAPA, JR.,o RECIO M. GARCIA, LEON O. TY, JOSE R. TENGCO, JR., ALEJANDRO MELCHOR, VICENTE PATERNO, RUBEN ANCHETA, RAFAEL SISON, HILARION M. HENARES, JR., CARMELINO G. ALVENDIA AND GENEROSO F. TENSECO,oo RESPONDENTS