Can Late Invoices Delay VAT Deduction? ECJ Answers

What happens when a purely administrative detail, such as the timing of an invoice, stands between a business and its right to deduct input VAT? A dispute between the I. S.A., a Polish clearing house, and the Tax Authority set economic reality against formal paperwork, raising an important question of whether a missing invoice in the “wrong” period can really justify delaying a fundamental VAT right. 

Background of the Case 

I. S.A., is a clearing house company for gas and electricity trading, where it is treated as both buyer and reseller and therefore issues and receives invoices and accounts for VAT on those transactions. In 2019, the company sought confirmation from the Tax Authority that it could deduct input VAT even if it received purchase invoices in the following tax period, as long as this happened before filing its VAT return. 

In its advance ruling dated November 12, 2019, the Polish Tax Authority stated that the deduction depends on meeting formal conditions, in particular the possession of an invoice. Still, it emphasized that these requirements do not undermine the fundamental right to deduct or the principle of VAT neutrality. 

The case ended up before the Provincial Administrative Court, which in October 2020 upheld this view, clarifying that although the right to deduct VAT is generally linked to the moment the tax becomes chargeable, it is effectively conditional on actually receiving the invoice documenting the transaction. The company appealed the decision to the Supreme Administrative Court, arguing that the lower court had misinterpreted key provisions of the EU VAT Directive governing the right to deduct input VAT.

The Supreme Administrative Court had a different concern. More specifically, it expressed doubts about whether Polish law correctly transposed relevant EU rules, particularly because national legislation appears to impose an extra condition not explicitly required by the EU VAT Directive. 

The Supreme Administrative Court further added that Polish law requires taxable persons to possess an invoice at the time the tax is settled for the right to deduct to arise, which effectively delays the deduction. The main reason for this conclusion was that, even if the transaction has occurred and the seller has already paid VAT to the state, the buyer must wait until the invoice is received before deducting input VAT.

Faced with doubts, the Supreme Administrative Court decided to pause the proceedings and seek clarification from the Court of Justice of the European Union (ECJ) through a preliminary ruling procedure.

Main Questions from Request For Ruling

The core issue in this case is whether EU VAT rules and fundamental principles prevent national legislation from restricting the timing of the right to deduct input VAT. 

To settle this matter, the Supreme Administrative Court asked whether EU law, particularly the provisions governing when the right to deduct arises and the requirement to hold an invoice, allows EU country to deny a taxable person the ability to claim a deduction in the correct tax period simply because the invoice had not yet been received during that period, even if it was obtained before the VAT return was submitted.

Applicable EU VAT Directive Article

The ECJ, or more precisely the General Court, identified several articles of the EU VAT Directive as the most relevant for resolving this case. Those articles are Articles 63, 168, 179, and 273. Additionally, the ECJ stated that Title X, Chapter 1, and Chapter of the VAT Directive, which define the origin and scope of the right of deduction and govern its exercise, respectively, must also be interpreted. Finally, the ECJ noted that Title XI, Chapter 5 of the VAT Directive, concerning the obligations of taxable persons and certain non-taxable persons, is also relevant.

Poland National VAT Rules

Regarding the national VAT rules on subject matter, the ECJ stated that Articles 86, paragraphs 1, 10, and 10b, which largely reflect the structure of the EU VAT Directive but introduce an important additional condition affecting the timing of the right to deduct input VAT, are vital to the case.

Importance of the Case for Taxable Persons

The case centers on the distinction between the substantive and formal conditions for exercising the right to deduct input VAT. Additionally, it addresses timing issues and the limits on EU countries’ ability to introduce additional administrative conditions. Therefore, the ruling provides taxable persons with greater legal certainty, strengthens the primacy of economic substance over procedural formalities, and limits the risk that national rules will unduly restrict or delay their VAT rights.

Analysis of the Court Findings

In addressing the question raised, the ECJ recalled that the right to deduct VAT is a fundamental principle of the EU VAT system, designed to fully relieve taxable persons of the VAT burden incurred in the course of their economic activities, ensuring that VAT does not become a cost for businesses. In addition to this principle, the principle of VAT neutrality lies at the core of the system as it guarantees that all taxable economic activities are treated equally and that VAT ultimately burdens only the final consumer.

Regarding the right to deduct VAT, the ECJ added that, in principle, it cannot be restricted when the required conditions are met. In other words, when both the substantive conditions and the formal conditions are satisfied, taxable persons must be able to exercise that right without limitation, and typically do so immediately for all input VAT incurred. Furthermore, the right to deduct arises when the VAT becomes chargeable, i.e., when the goods are supplied, or the services are performed.

Also, the ECJ drew a clear distinction between the substantive and formal conditions. While the substantive conditions concern the essence of the right and determine whether it exists at all, the formal conditions concern how the right is exercised and monitored. 

Substantive conditions refer to requirements that the taxable person acquire goods or services in that capacity, use them for taxable output transactions, and receive them from another taxable person. In contrast, formal conditions refer to compliance obligations such as maintaining proper accounts, issuing and receiving invoices, and submitting VAT returns. Notably, among all formal conditions, holding a valid invoice, which serves as evidence of the transaction and enables tax authorities to verify the correctness of the deduction, is the key one.

The ECJ went a step further in clarifying the distinction between these two conditions and underlined that, under the EU VAT rules, input tax must be deductible whenever the substantive conditions are met, even if the taxable person has not fully complied with formal requirements. However, this is allowed only if those formal deficiencies can be remedied and do not threaten the proper functioning of the VAT system.

Under Polish law, the right to deduct input VAT arises only upon receipt of the corresponding invoice, meaning that if the invoice arrives in a later tax period, the deduction can be claimed only in that subsequent period. Thus, the national legislation introduced an additional condition beyond the substantive requirements. Essentially, the taxable person must hold the invoice or customs document at the time the tax for the relevant period is settled, even if the taxable transaction itself has already occurred.

This requirement and practice contrast with established case law, which holds that the deduction should align with the period in which the taxable transaction occurs, thereby reinforcing the principle of the timely exercise of the right.

Moreover, preventing a taxable person from claiming input VAT for transactions completed during the period when the right originally arose, even though the invoices are available when filing the VAT return, effectively imposes a temporary VAT burden on the taxable person. This practice undermines the principles of VAT neutrality and proportionality, as well as the immediate character of the deduction, which is intended to ensure that VAT does not impose a cost on businesses.

The ECJ recalled that case law clearly holds that the VAT Directive prevents national rules that treat invoice corrections as lacking retroactive effect, meaning that, when an invoice is corrected, the right to deduct VAT applies to the period in which the invoice was originally issued, not to the period when the correction occurs. The same logic applies to taxable persons who hold a properly issued invoice when submitting their VAT return.

On the other side, the ECJ acknowledges that the EU VAT Directive allows EU countries to introduce additional obligations to ensure proper VAT collection and prevent tax evasion or abuse. However, when exercising this right, EU countries must ensure that any measures adopted must comply with the principle of proportionality, meaning they cannot go beyond what is necessary to achieve those aims.

Courts Final Decision

The ECJ's interpretation of the applicable VAT rules is that EU VAT law must be interpreted as preventing national legislation that impedes the timely exercise of the right to deduct input VAT. The ECJ found that where a taxable person has already met all substantive conditions for deduction in a given tax period, that right cannot be denied simply because the invoice had not yet been received during that same period.

Conclusion

In practice, the ECJ ruling means that businesses cannot be forced to delay their VAT deductions solely because of invoice timing, provided the underlying transaction is genuine, and the invoice is obtained before filing the VAT return. 

From a broader perspective, the ruling emphasizes that VAT compliance should focus on economic reality rather than strict formalities. Even though invoices are required, that requirement cannot be used systematically to postpone deductions in a way that undermines VAT neutrality or creates unnecessary administrative burdens for businesses.

Source: Case T-689/24 - I. S.A. v Director of the National Revenue Information Service, Poland, EU VAT Directive