Designation of Engr. ISIDRO MARIANO as Officer-In-Charge Regional Director of Region VIII, Tacloban City. Category: Department OrderSub Category: areas-responsibilities-authority-designationSeries: 1990No: 10File: DO_010_S1990.pdfDate: Friday, January 5, 1990Tags: Designation Isidro Mariano OIC Regional Director VIII 010 Read more about Designation of Engr. ISIDRO MARIANO as Officer-In-Charge Regional Director of Region VIII, Tacloban City.