GST & Compliance Knowledge Centre
CA-grade explainers on the questions our users keep asking. Each article is anchored to specific statutory provisions, with worked examples and common mistakes.
Articles & Guides
Five in-depth guides covering the most-asked questions on GST invoicing, e-invoicing, exports, classification, and reverse charge.
E-Invoicing in India: Complete FY 2026-27 Guide to Thresholds, IRN Generation & Compliance
When is e-invoicing mandatory, how the IRN/QR mechanism works, what gets covered (and what doesn’t), common mistakes that trigger ₹10,000 penalties, and what’s coming next.
Read full guide →Tax Invoice vs Bill of Supply: When to Issue Which (With Worked Examples)
Section 31 + Rule 46 vs Section 31(3)(c) + Rule 49. Mandatory fields for each, five common scenarios, and what happens when you issue the wrong document.
Read full guide →Place of Supply for Service Exporters: When LUT Applies and When IGST Does
Section 13 IGST Act decoded. Default rule, the seven exceptions, why intermediary services are tricky, and the LUT mechanism under Rule 96A.
Read full guide →HSN/SAC Codes Under GST: Mandatory Thresholds, How to Find Right Codes, FY 2026-27 Update
Mandatory disclosure thresholds (4 / 6 / 8 digit), common SAC codes for service providers, how to find the right code, and ₹50,000 penalty risk for getting it wrong.
Read full guide →Reverse Charge Mechanism (RCM) Under GST: Invoice Rules + Common Scenarios
Section 9(3) specified supplies, self-invoice format under Section 31(3)(f), why RCM tax must be paid in cash, and practical scenarios — GTA, advocates, directors, residential rentals.
Read full guide →All articles are general guidance only and do not constitute professional advice. Tax law changes; interpretations differ across cases. For your specific facts, consult a qualified Chartered Accountant. Articles reflect law as in force at date of publication or last revision. We update articles when statutory positions change.