Designation of ATTY. IRENE D. OFILADA as Officer-In-Charge of the Internal Audit Service, DPWH. Category: Department OrderSeries: 1995No: 161File: DO_161_S1995.pdfDate: Monday, August 7, 1995Tags: Designation IRENE OFILADA OIC Internal Audit Service IAS 161Bureaus and Services: Internal Audit Service Read more about Designation of ATTY. IRENE D. OFILADA as Officer-In-Charge of the Internal Audit Service, DPWH.