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ASK - Tax Simulator
How should this supply be treated?
Banqup Tax Validation - The tax quality layer for e-invoicing
E-invoicing is mandatory. Correct tax isn't.
Banqup Tax Validation checks the tax treatment of each invoice line against
codified rules and shows the rule behind every result.
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The gap
A valid e-invoice can still carry the wrong tax.
Mandatory e-invoicing across Europe.
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As these frameworks roll out, platforms and tax authorities validate file syntax, business rules and arithmetic, not tax correctness. That is the layer Banqup Tax Validation adds.
One engine, three ways in
Every level answers the same question: is the tax on your invoices right?
CHECK - Tax Scan
Which of these invoices need a second look?
EMBED - Tax Connect
Is the tax right before the invoice leaves?
MONITOR
Continuous validation inside the Banqup e-invoicing apps
In development
White paper - 15 September 2026
The missing tax quality layer
Free, no registration required.
One engine underneath
The same rules and the same verdict, whether you ask, scan or connect.
Rules maintained by tax specialists for the EU, the UK, Switzerland and Norway.
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Deterministic
Same input, same verdict, every time.
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Reasoning shown
Every result carries the rule applied and the rate used.
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Audit trail
A complete, retrievable record behind every result.
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What it determines
Place of supply, liability, zero and reduced rates, deduction limitations.
Start with one transaction.
Try the Tax Simulator in the Banqup Store, or talk to our team about a scan of your own invoice lines or an API integration.
Banqup Tax Validation is tax determination software. It checks the tax treatment against codified rules and shows its reasoning. It is not tax advice; the decision on a specific transaction stays with your tax team or adviser.