Banning Negotiated Contracts, except under certain conditions as proviced by Law of Regulations. Category: Department OrderSub Category: contracts-contractorsSeries: 1979No: 158File: DO_158_S1979.pdfDate: Friday, February 23, 1979Tags: Banning Negotiated Contracts 158 Read more about Banning Negotiated Contracts, except under certain conditions as proviced by Law of Regulations.