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GST billing for a small shop: bills, tax invoices and GSTR-1

NegoBill makes a plain Bill Receipt or a GST Tax Invoice from the same screen, splits CGST/SGST/IGST from the product's rate, and builds the GSTR-1 report with a JSON export for the portal.

Updated 26 Sept 2026 · Applies to NegoBill V5

The problem

A small shop with a GST number must issue tax invoices with the right split, keep the HSN on every line, and file GSTR-1 every month, without an accountant on the payroll.

What NegoBill does

  • The product carries its GST rate and HSN; the bill line computes the tax; the total rounds the way the law allows.
  • Per sale you pick Bill Receipt (no tax split printed) or Tax Invoice; a bill can be converted to an invoice later.
  • The customer’s state decides CGST + SGST or IGST.
  • GSTR-1 groups the month’s invoices into B2B, B2C and HSN summaries; on Plus and above you export the JSON the portal takes.
  • Every plan can print on A4; Plus adds invoice themes and half-A4.

Questions people ask

Do I need a GST number to use NegoBill?

No. Without one, every sale is a Bill Receipt. With one, you choose bill or tax invoice per sale.

Does it handle inter-state sales?

Yes. The customer's state decides CGST + SGST or IGST.

Where do I get the GSTR-1 file?

Reports → GSTR-1 for any month; the JSON export is on Plus and above.

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