GST/VAT Compliance
Set your country once. Every invoice after that follows the local rules.
HSN/SAC codes, e-invoicing, and local tax rules configured for your country automatically.

Tax rules change by country, and getting them wrong is expensive
HSN/SAC codes in India, TRNs in the UAE, VAT registration formats in the UK — each has its own required fields and layout. Getting one wrong risks a rejected filing or an unhappy tax authority.
What's included
Country-specific fields
StashBill shows and validates exactly the fields your country's tax authority expects — nothing extra, nothing missing.
HSN/SAC and e-Invoice IRN
For India, invoices carry the correct HSN/SAC codes and e-Invoice IRN automatically where applicable.
FTA, HMRC, ATO, and CRA-compliant layouts
UAE, UK, Australian, and Canadian invoices follow the layout and registration-number formats those authorities require — including every provincial HST, PST, and QST rate.
US sales tax, your local rate
In the US, add your combined state and local sales tax rate once and it's applied on every invoice. India, the UAE, the UK, Australia, Canada, and the US are supported today, with more on the way.
See it for your country
Switch countries to see the fields and layout StashBill generates automatically.
GST invoices with HSN/SAC codes and e-Invoice IRN, generated automatically.
Invoice #INV-1042
India · GST
HSN/SAC code · 1006.30
GST 5% · e-Invoice IRN included
Total2,340.00
Frequently asked
Yes — GST invoices include HSN/SAC codes and the e-Invoice IRN where your turnover requires it.
Yes — UAE invoices include your TRN and follow the FTA's required invoice layout.
India (GST), the UAE (VAT), the UK (VAT), Australia (GST), Canada (GST/HST), and the US (sales tax, using your local rate) are supported today. More countries are being added — tell us which one you need from the Contact page.
Related guides
TAX COMPLIANCE
GST invoice format 2026: complete guide
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HSN/SAC codes explained
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UAE VAT invoicing checklist
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Australia GST invoicing: what the ATO requires
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Canada GST/HST invoicing: a small business guide
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US sales tax invoicing: what small businesses need to get right
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