Rules on Government Auditing ABC Help System for Handbook on Philippine Public Sector Auditing and Assurance Standards (PPSAAS) Book I Book II ABC Help System for Cash Examination Manual COA Memorandum No. 2013-004 Table of Contents Chapter I : Introduction Chapter II: Laws and Rules Relevant in Cash Examination Chapter III: Guidelines Chapter IV: Procedures and Techniques Appendix Annexes Fraud Audit Guide ABC Help System for Updated Guide for the Audit of Procurement Part 1 – Introduction and Basic Elements Part 2 – Procurement and Goods Part 3 – Procurement and Contract Implementation of Infrastructure Projects Part 4 – Procurement of Consulting Services Handy Guide to the Audit of Procurement Annexes GPPB Resolutions PBD – Procurement of Goods PBD – Procurement of Infrastructure Projects General Procurement Manual Volume 1 Volume 2 Volume 3 COA Circular No. 2012-003 COA Circular No. 2013-004 COA Memorandum No. 2015-004 COA Memorandum No. 2010-003 COA Resolution No. 2015-014