Authority for Negotiated Contracts for Rehabilitation of Infrastructure Damaged by Mt. Pinatubo Eruptions. Category: Department OrderSub Category: contracts-contractorsSeries: 1991No: 168File: DO_168_S1991.pdfDate: Thursday, August 1, 1991Tags: Authority Negotiated Contracts Rehabilitation Infra Damaged Mt. Pinatubo Eruptions Read more about Authority for Negotiated Contracts for Rehabilitation of Infrastructure Damaged by Mt. Pinatubo Eruptions.