Amendment to Dept. Order No. 245 Series of 1990 - Re: Adoption of One-Step Bidding Process. Category: Department OrderSub Category: contracts-contractorsSeries: 1990No: 245File: DO_245-A_S1990.pdfDate: Monday, November 26, 1990Tags: DO No 245 S. 1990 Adoption One-Step Bidding Process contractor 245-A Read more about Amendment to Dept. Order No. 245 Series of 1990 - Re: Adoption of One-Step Bidding Process.