GST & India
GST invoice guides — India
GST invoicing guides: place of supply and the CGST/SGST vs IGST split, Rule 46 mandatory fields, the 16-character numbering limit, reverse charge and e-invoicing thresholds.
- GST & India6 min
HSN and SAC codes on invoices: which one you need, and how many digits
HSN codes for goods and SAC codes for services on GST invoices — how many digits your turnover requires, where to find your code, and the penalties for getting it wrong.
01 Oct 2026Read More - GST & India8 min
GST Invoice Format — Rule 46 Mandatory Fields
Complete checklist of the 16 mandatory fields required on a GST tax invoice under Rule 46, with a filled example and e-invoicing turnover rules.
28 Sep 2026Read More - GST & India5 min
GST invoice numbering: the 16-character rule that quietly breaks spreadsheets
GST invoice numbering under Rule 46(b) — the 16-character limit, allowed characters, consecutive series and financial year rules explained.
11 Feb 2026Read More - GST & India7 min
CGST + SGST or IGST? The place of supply decides, not your client’s address
GST place of supply rules explained — how Sections 10–13 of the IGST Act determine CGST/SGST vs IGST, and when UTGST replaces SGST on your invoice.
20 Jan 2026Read More
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