FURTHER AMENDING ADMINISTRATIVE ORDER NO. 23 DATED DECEMBER 17, 1992, AS AMENDED BY ADMINISTRATIVE ORDER NO. 159 DATED NOVEMBER 25, 1994, PRESCRIBING FOR THE RULES AND PROCEDURES ON THE INVESTIGATION OF ADMINISTRATIVE DISCIPLINARY CASES AGAINST ELECTIVE LOCAL OFFICIALS OF PROVINCES, HIGHLY URBANIZED CITIES, INDEPENDENT COMPONENT CITIES, COMPONENT CITIES AND CITIES AND MUNICIPALITIES IN METROPOLITAN MANILA