Modulario by AMCEF
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AI VAT and error checking — never face a penalty for a wrong VAT return again

Before submitting VAT returns, Modulario AI checks every line for correct VAT codes, missing VAT numbers, incorrect rates, and mismatches with the VIES register. Penalties for incorrect returns become history.

Demo vereinbaren Preise ansehen
Einsparung: 4–8 hodín / mesiac
Module: Finanzen

AI VAT check: finds errors before the tax authority does

VAT penalties in many jurisdictions start at modest amounts but can reach thousands for repeated errors or late filing. A tax audit triggered by a faulty VAT return is even more costly.

Most common VAT return errors that AI catches

1. Invalid customer VAT number

The customer deregistered from VAT (e.g. was removed from the register) or you entered the VAT number with a typo. If you invoiced with zero VAT based on that number, there’s a problem.

AI solution: Every VAT number is verified in VIES (EU VAT Information Exchange System) in real time when the invoice is raised and again during VAT return preparation.

2. Wrong VAT code

An invoice for construction services should use the reverse charge code, not standard 20 % VAT. With 50+ invoices per month it happens.

AI solution: Based on the supplier category and invoice description, AI verifies whether the code used matches the statutory regime.

3. Amount mismatches

The amount on the invoice and the amount in the VAT return line don’t match (cent-level rounding difference, manual entry error).

AI solution: 100 % match of every VAT return line against the original document in the system.

4. Missing invoices in the return

An invoice arrived on the last day of the month and was forgotten.

AI solution: System alerts on invoices in the database that were not included in VAT return preparation.

Workflow before filing the VAT return

  1. Close the tax period in Modulario
  2. System automatically runs AI check of the full return (typically under 1 minute)
  3. You receive a report with:
    • Error and warning count
    • Each error with line number, description, and suggested fix
    • Prioritization (critical error vs. warning)
  4. Correct errors, run the check again
  5. Export to XML format for submission to tax authorities

Saving versus manual review

Manual review of a 200-line VAT return by an experienced accountant takes 2–3 hours. AI check takes 30 seconds and covers 100 % of lines (humans under fatigue miss 3–8 % of errors).

Result: 2–3 hours saved per month + elimination of penalty risk.

Für diesen Use Case benötigte Module

Finanzen
AI VAT VAT return tax compliance compliance

Häufig gestellte Fragen

What exactly does AI check in the VAT return?

The system checks: validity of buyer/supplier VAT numbers (VIES verification), correctness of VAT codes, amount matching between invoices and VAT return lines, missing mandatory fields, and correct application of reverse charge for construction services or EU suppliers.

Does it also handle exempt supplies and reverse charge?

Yes — the system knows intra-EU exempt supplies, domestic reverse charge (construction), triangular transactions, and other special VAT regimes.

How fast does the check run before submitting the VAT return?

Checking 500 lines takes less than 30 seconds. Result: a list of errors with description, line number, and suggested correction.

Möchten Sie diesen Use Case in Ihrem Unternehmen einsetzen?

Vereinbaren Sie eine kostenlose 60-minütige Beratung — wir zeigen Ihnen, wie es in einer realen Umgebung funktioniert.

Dávid Bělousov

Dávid Bělousov

Sales Director

+421 902 826 802 sales@amcef.com
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