Amendment to DO No. 42 S. 1988, Re: Delegation of Authority to Officials of DPWH. Category: Department OrderSub Category: areas-responsibilities-authority-designationSeries: 1999No: 17File: DO_017_S1999.pdfDate: Friday, January 22, 1999Tags: Delegation Authorities Officials areas 017 Read more about Amendment to DO No. 42 S. 1988, Re: Delegation of Authority to Officials of DPWH.