C-935/19Grupa Warzywna Sp. z o.o. v Dyrektor Izby Administracji Skarbowej we Wrocławiu

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Reference for a preliminary ruling – Common system of value added tax (VAT) – Directive 2006/112/EC – Article 273 – Overstatement in the tax return of the amount of the refund of VAT – Error of assessment by the taxable person concerning the taxable nature of a transaction – Correction of the tax return following an audit – Penalty of an amount equal to 20% of the overstated VAT reimbursement – Principle of proportionality.

Interprets