Amending Guidelines in the Procurement of Spare Parts, Supplies and Materials, Amending Dept Order No. 27 dated Aug 20, 1974. Category: Department OrderSub Category: equipment-supplies-propertiesSeries: 1974No: 27File: DO_027-A_S1974.pdfDate: Wednesday, September 18, 1974Tags: Guidelines Procurement Spare Parts Supplies Materials equipment 027-A Read more about Amending Guidelines in the Procurement of Spare Parts, Supplies and Materials, Amending Dept Order No. 27 dated Aug 20, 1974.