Handbook on Invoice Management System under GST (IMS)

The Institute of Cost Accountants of India , a Statutory Body under an Act of Parliament , issued a “Handbook on Invoice Management System under GST” , December 2025 edition on 09.01.2026.

Content:

• Chapter 1 : GST in India: A New Era of Digital Tax Governance
• Chapter 2 : Evolution of Invoice Matching : From Concept to Compliance Backbone
• Chapter 3 : Attempts at Return Overhaul and Lessons Learned
• Chapter 4 : The Invoice Management System (MIS) : Architecture, Logic & Core Design Principles
• Chapter 5 : IMS Functional Mechanics: Detailed Walkthrough of Workflows, Scenarios & System Behaviour
• Chapter 6 : IMS Document Eligibility & ineligibility Rules : Deep-Dive with Legal interpretation and Flow-based Decision Frameworks.
• Chapter 7 : IMS and GSTR-2B: Re-engineering Credit Visibility and Control
• Chapter 8 : Regeneration of GSTR-2B: Logic, Triggers, System Behaviour & Enterprise-Level implicaitons
• Chapter 9 : Supplier Liability under IMS: Recipient Actions, Amendments & Tax Impact
• Chapter 10 : Supplier Amendments under IMS: Controls Sequencing Rules & Credit Impact
• Chapter 11 : IMS-GSTR-3B integration: Timing Discipline, Legal Finality & Practical Monthly Execution
• Chapter 12 : Synchronization Across : GSTR-1, GSTR-1A, GSTR-2A, GSTR-2B &IMS
• Chapter 13 : Monthly Closing under IMS : A Re-engineered Compliance Discipline
• Chapter 14 : Re-reading ITC provisions in the IMS Era: Law, Timing& Governance
• Chapter 15 : Supplier Management under IMS: From Procurement Function to Tax Control
• Chapter 16 : ITC Governance Reset under IMS : From Credit claiming to Risk Management
• Chapter 17 : ERP integration, Data Controls and ITGC under IMS: Making Technology Work for Compliance
• Chapter 18 : Audit Readiness, Notices and Litigation Strategy under IMS.
• Chapter 19 : Data Governance , Evidence Management and Record Retention under IMS
• Chapter 20 : Sectoral Case Studies nd Practical Scenarios under IMS
• Chapter 21 : Standard Operating Procedures (SOPs) under IMS: From Optional practice to Mandatory Governance
• Chapter 22 : Change Management , Training & Capability Building for Sustainable IMS Compliance
• Chapter 23 : Contracts and Commercial Safeguards under IMS: Re-engineering Legal Protection for ITC
• Chapter 24 : Recommended Contract Clauses for the IMS Era
• Chapter 25 : Standard Operating Procedures (SOPs) and Execution Framework under IMS.
• Chapter 26 : Internal Audit implications for the IMS Framework
• Chapter 27 : IMS – Specific Internal Audit Checklists: Ensuring Control Effectiveness and Audit Readiness.
• Chapter 28 : IT General Controls (ITGCs) under IMS: From Support Function to Core Compliance Control
• Chapter 29 : Data Analytics, Risk Scoring and the Future of Audits under IMS.
• Chapter 30 : CXO-Ready Analytics Risk Dashboard under IMS
• Chapter 31 : Comprehensive FAQs and Practical Clarifications under IMS.