GST GUIDES
GST guides for small businesses
Plain-language answers on GST invoices, returns and codes, kept up to date. Seedhi bhasha mein, bina jargon ke.
GST invoice format
GST invoice format: every field your tax invoice must have
GST tax invoice format with all mandatory fields under Rule 46, HSN digits, invoice number rules, copies and time limits. Free GST invoice maker included.
Excel vs online
GST invoice format in Excel vs online software: which is better?
Should you make GST invoices in Excel or Word, or use online billing software? Compare time, mistakes, GSTR-1, numbering and cost. Free online option inside.
Bill of supply
Bill of supply under GST: meaning, format and when to use it
Bill of supply kya hai? Who must issue a bill of supply instead of a tax invoice (composition dealers, exempt goods), its Rule 49 format and common mistakes.
Proforma invoice
Proforma invoice: meaning, format and how it differs from a tax invoice
What is a proforma invoice under GST, when to send one, what it should contain, and how it differs from a quotation and a tax invoice. Make one free online.
Credit and debit notes
Credit note and debit note under GST: when to issue them and the time limit
When to issue a credit note or debit note under GST (Section 34), what it must contain, the 30 November time limit and how it is reported in GSTR-1.
HSN and SAC codes
HSN code on a GST invoice: 4 or 6 digits?
How many HSN digits your GST invoice needs (4 or 6), the SAC code for services, how to find the right code, and the HSN summary in GSTR-1.
GSTR-1
GSTR-1: due dates and how to prepare your data in minutes
GSTR-1 due date (11th monthly, 13th for QRMP), what goes in the B2B, B2C, credit note and HSN tables, late fees, and GSTR-1 data in Excel.
E-invoicing
E-invoice limit in 2026: does your business need e-invoicing?
E-invoicing under GST applies above ₹5 crore turnover. Who is exempt, the 30-day upload rule for ₹10 crore+ businesses, and what smaller firms need.
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