This document discusses the history and development of public procurement regulations in Pakistan. It notes that prior to 2002, public procurements were governed by various codes and manuals. In 2002, Pakistan promulgated a Public Procurement Regulatory Authority (PPRA) Ordinance, establishing a regulatory framework based on the UNCITRAL Model Law on Procurement. The PPRA Rules introduced in 2004 apply the regulatory framework to federal government procuring agencies. The document outlines the key principles of the regulatory framework, including value for money, transparency, and different procurement methods ranging from open competitive bidding to petty purchases.