Designation of Engr. PILAR M. BASTASA as OIC - Chief of the Maintenance Division, Region IX. Category: Department OrderSub Category: areas-responsibilities-authority-designationSeries: 1995No: 171File: DO_171_S1995.pdfDate: Wednesday, September 13, 1995Tags: Designation PILAR BASTASA OIC Chief Maintenance Division 1171Region: Region IX Read more about Designation of Engr. PILAR M. BASTASA as OIC - Chief of the Maintenance Division, Region IX.