GST guides, written by practitioners.
Starting with the topics most GST software treats as an afterthought — ISD/GSTR-6, IMS, and reconciliation at scale. Each guide links to the product feature and the API endpoint, not just the theory.
ISD and GSTR-6 Filing: A Practical Guide for CA Firms and Finance Teams
What an Input Service Distributor is, how GSTR-6A reconciliation works, and how to distribute ITC across GSTINs and file GSTR-6 without spreadsheet errors.
7 min readIMS (Invoice Management System): A Complete Guide to Accept, Reject, and Pending Actions
How GSTN's Invoice Management System affects ITC and GSTR-2B, what accept, reject and pending actions mean, and how to run IMS in bulk.
6 min readGSTR-2B Reconciliation for CA Firms: A Step-by-Step Guide
Reconcile GSTR-2B with purchase registers across clients: fuzzy matching, tolerance rules and how to clear exceptions that don't auto-match.
7 min readGSTR-3B Filing Guide: Auto-Populated Liability, ITC Offset, and What to Check Before You File
How GSTR-3B auto-populates from GSTR-1 and reconciled GSTR-2B, how liability offset across IGST/CGST/SGST works, and the checks worth running before submission.
6 min readGSTR-9 and 9C Annual Return: A Complete Filing Guide
See how GSTR-9 is built from GSTR-1 and 3B, what GSTR-9C checks against your books, and what to prepare before you start filing.
6 min reade-Invoice IRN Generation: A Complete Guide to India's ₹5 Crore AATO Mandate
What an IRN is, who the e-invoicing mandate covers, how the 30-day reporting window works, and what happens when an invoice is amended or cancelled.
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