GPPB Resolution No. 04-2021 "Approving the Issuance of a Circular Reminding All Procuring Entities fo Comply with the Transparency, Accountability, and Good Governance Policies and Measures in the Procurement Process and the Amendment to Section 22.4 of the 2016 Revised Implementing Rules and Regulations of Republic Act No. 9184 and Circular No. 02-2018"