Process: 182/2014-T

Date: September 28, 2014

Tax Type: IUC

Source: Original CAAD Decision

Summary

In Decision 182/2014-T, the CAAD Arbitral Tribunal addressed fundamental questions regarding IUC (Imposto Único de Circulação) tax liability and procedural requirements. The case centered on subjective incidence when vehicle ownership shown in the motor vehicle registry differs from claimed actual ownership. The Petitioner, appearing in the registry as owner of multiple vehicles, contested IUC assessments arguing she had sold the vehicles and provided invoices as proof. The Respondent (Tax Authority) raised preliminary objections regarding the tribunal's material competence, timeliness of the arbitral claim, and lack of prior administrative claim. The tribunal first ruled it had jurisdiction under Portaria 112-A/2011 to review IUC assessments and that direct access to arbitration was permissible without requiring prior reclamação graciosa, rejecting all preliminary exceptions. However, on the merits, the tribunal found the invoices submitted as proof unreliable due to significant inconsistencies: they showed 7-digit postal codes and euro conversions before these existed in Portugal (pre-1998). These anachronisms dispelled the legal presumption of accuracy normally afforded to commercial invoices under Article 75 of the LGT. The tribunal held that for IUC purposes, the rebuttable presumption of ownership derived from vehicle registration (Article 3(1) CIUC) controls subjective incidence. Without credible evidence rebutting registry ownership, the Petitioner remained liable. The decision clarifies that while vehicle sales contracts for movable property require no special formalism under civil law, the tax presumption favoring registered ownership can only be overcome with reliable documentary proof of transfer, and that procedurally, taxpayers may access CAAD arbitration directly for IUC disputes without exhausting administrative remedies first.

Full Decision

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  • Moreover, the synallagmatic nature of the invoice could be indicated by means of proof of receipt of the price contained therein on the part of the Petitioner, all the more so when the invoice itself states that it is only valid as a receipt after good collection,

  • However, the Petitioner did not attach documentary proof of receipt of the price when she could and should have done so, namely in the request for the petition for arbitral pronouncement, finding herself barred from the possibility of doing so at a later time...

  1. Insofar as extracted from the position of the Respondent regarding the proof produced, this would be insufficient to dispel the tax incidence defined on the basis of the ownership of the vehicles, as shown in the registry, which, in coherence with the substantive position assumed by it, would only be dispelled in function of timely updating of the registry itself.

  2. It not being that the understanding of the tribunal, it is important to evaluate the proof produced by the Petitioner to the effect of determining whether it is sufficient to rebut the presumption derived from the motor vehicle registry which, at the level of subjective incidence, is adopted for purposes of the IUC.

  3. For this purpose, it is important to bear in mind that, in the situation under examination, one is dealing with purchase and sale contracts which, relating to movable property and not being subject to any special formalism (Civil Code, art. 219.º), effect the corresponding transfer of real rights (Civil Code, art. 408.º, no. 1).

  4. Being contracts that involve the transmission of ownership of movable property, by means of the payment of a price, these have, as essential effects, among others, that of delivering the thing (Civil Code, arts. 874.º and 879.º).

  5. However, since a purchase and sale contract is involved which has as its object a motor vehicle, in which registration is mandatory, its proper performance presupposes the issuance of the declaration of sale necessary for the inscription in the registry of the corresponding acquisition in favor of the buyer, as has been understood by the jurisprudence of the superior courts.[13] Such a declaration, relevant for registration purposes, may constitute proof of the transaction, but does not constitute the only or exclusive means of proof of the transaction.

  6. For registration purposes, no special formalism is also required, sufficing the presentation to the competent entity of a request signed by the buyer and confirmed by the seller, which, through a declaration of sale confirms that the ownership of the vehicle was by the latter acquired by verbal purchase and sale contract (see Motor Vehicle Registration Regulation, article 25.º, no. 1, para. a).

  7. Notwithstanding these being the rules flowing from the provisions of civil law, relating to the informality of the transmission of movable property and, where applicable, its registration, it cannot fail to be borne in mind that, in the situation under examination, we are dealing with commercial transactions, effected by a business entity in the course of the activity that is the subject of its corporate purpose.

  8. Within that scope, the company is bound by the compliance with specific accounting and tax norms, in which invoicing assumes special relevance.

  9. From the outset, by virtue of tax norms, the entity transmitting the property is required to issue an invoice for each transmission of property, whatever the status of the respective buyer (VAT Code, art. 29.º, no. 1, para. b).

  10. Also in accordance with the provision of tax norms, the invoice must comply with a certain form, detailed regulated in articles 36.º of the VAT Code and article 5.º of Decree-Law no. 198/90, of 19 June.

  11. It is on the basis of that document issued by the supplier of the property that the buyer, when he is an economic operator - as is the case in the great majority of the situations referred to in the present proceedings - will deduct the VAT to which he is entitled (VAT Code, art. 19.º, no. 2) and account for the expense of the operation (CIRC, arts. 23.º, no. 6 and 123.º, no. 2).

  12. For its part, it is also on the basis of the invoicing issued that the supplier of the property should account for the respective income, as follows from the provision of para. b) of no. 2 of article 123.º of the CIRC.

  13. Provided that they are issued in the legal form and constitute elements supporting the entries in accounting organized in accordance with commercial and tax legislation, the data contained therein are covered by the presumption of accuracy to which article 75.º, no. 1, of the LGT refers.

  14. Indeed, the referred presumption covers not only accounting books and registers, but also their supporting documents, as, moreover, constitutes settled understanding of the tax administration itself [14] and the settled jurisprudence of the superior courts [15]

  15. The presumption of accuracy of commercial invoices issued in accordance with the legal terms may, however, be rebutted whenever the operations to which they refer do not correspond to reality, being sufficient, for this purpose, that the Tax Administration collects and demonstrates founded indications of that fact (LGT, art. 75.º, no. 2, para. a). [16]

  16. In the present case, as the Respondent well points out, "the invoices embodied in Documents 25 to 44, raise serious doubts about their accuracy, and one could speculate that their submission constitutes a hasty attempt to demonstrate a non-existent reality..."

  17. Analyzing in detail each of the documents presented, the Respondent points out that the same present inconsistencies that call into question their validity as a means of proof, dispelling the presumption of accuracy consecrated in the General Tax Law.

  18. Indeed, having regard to the dates of issue of the invoices, it is verified that the same contain elements which, on the dates referred to, were entirely non-existent.

  19. This is what is verified with the indication of a 7-digit postal code in the identification of the address of the buyers in invoices which, according to the dates inserted therein, would have been issued in years prior to their adoption by the national postal services, which occurred in the year 1998. Until this date, the national postal code used contained only 4 digits.

  20. In addition to the noted inconsistency, the said documents contain the indication of the value of the transaction in escudos, indicating, however, its conversion to euros, at the rate of 200.482, which would be fixed on 31 December 1998.[17] Being in question, therefore, transactions titled by invoices issued on dates prior to the end of the year 1998, these could not contain elements, such as those mentioned above, which did not exist on the date of their issue.

  21. In view of the inconsistencies pointed out - detailed referred to in the response of the Respondent - it cannot fail to be considered that the documents presented by the Petitioner as a means of proof of the transactions which, supposedly, would title, do not offer credibility, containing indications which, suggesting their preparation at a moment later than that which appears on them as the date of issue, dispel the presumption of accuracy that the law confers on them.

  22. Resting the proof presented by the Petitioner exclusively on the referred documents, it cannot, consequently, be considered that the presumption of ownership derived from the motor vehicle registry adopted in no. 1 of article 3.º of the CIUC has been rebutted, with respect to the vehicles and periods to which the questioned assessments relate.

VI - DECISION

In these terms, and with the reasoning set out, the Arbitral Tribunal decides:

a) To declare unfounded the preliminary issues and exceptions invoked by the Respondent;

b) To declare totally unfounded the petition for arbitral pronouncement and, consequently, to maintain the impugned tax acts;

c) To condemn the Petitioner to payment of the costs.

Value of the proceedings: € 572.30.

Costs: Pursuant to article 22.º, no. 4, of the RJAT, and in accordance with Table I annexed to the Regulation of Costs in Tax Arbitration Proceedings, I set the amount of costs at € 306.00, charged to the Petitioner.

Lisbon, 28 September 2014,

The Arbitrator, Álvaro Caneira.

[1] Having regard to the date of payment - 14.11.2013 - and the end of the legal period for collection of the debts in question, it is inferred that the annulment of the compensatory interest will have taken place under the exceptional regime for regularization of tax debts approved by Decree-Law 151-A/2013, of 31 October.

[2] See art. 11.º, of the State Treasury Regime, approved by Decree-Law no. 191/99, of 5 June and Ministerial Order no. 1423-I/2003, of 31 December, which approved the Regulation of the Single Collection Document.

[3] See, among others, STA, Decisions of 2.4.2003, 30.4.2003, 3.5.2006 and 19.1.2011, in Cases 37/03, 1640/02, 154/06 and 1034/10, respectively.

[4] See, by way of example, CIRC, art. 89.º, para. a)

[5] As per binding information, made available on the AT website, approved by Order of the Deputy Director General of the Property Taxes Area, of 18.4.2011: "The DGCI only assesses the IUC with respect to vehicles included in the objective incidence of the tax, in accordance with the elements provided by the IRN, IP (respective Motor Vehicle Registries) and by the IMTT (former DGV), which constitute the basis of the IUC data".

[6] See STA, Decision of 16.1.2013, Case 141/11.

[7] See STA, Decision of 11.5.2011, Case 94/11.

[8] See Francisco Rodrigues Pardal, "The Use of Presumptions in Tax Law", in Tax Science and Technique no. 325-327. pp. 20

[9] In this sense, see, among others, STA, Decisions of 21.4.2010, 3.11.2010, 2.5.2012 and 6.6.2012, Cases 924/09, 499/10, 895/11 and 903/11, respectively.

[10] See article 3.º, no. 1 of the Regulation of the Municipal Tax on Vehicles, approved by Decree-Law no. 143/78, of 12 June.

[11] See Jorge de Sousa, CPPT, 6th Edition, Áreas Editora. Lisbon, 2011, pp. 586 and STA, Decisions of 29.2.2012 and 2.5.2012, Cases 441/11 and 381/12.

[12] See Arbitral Decisions of 19.7.2013, 10.9.2013, 15.10.2013, 5.12.2013 and 14.2.2014, delivered, respectively, in Cases 26/2013-T, 27/2013-T, 14/2013-T, 73/2013-T and 170/2013-T.

[13] See SJT, Decisions of 23.3.2006 and 12.10.2006, Cases 06B722 and 06B2620.

[14] See Opinion of the Tax Studies Center, approved by order of the Director General of Taxes, of 2 January 1992, published in Tax Science and Technique no. 365.

[15] See STA, Decision of 27.10.2004, Case 0810/04, TCAS, Decision of 4.6.2013, Case 6478/13 and TCAN, Decision of 15.11.2013, Case 00201/06.8BEPNF, among others.

[16] See STA, Decisions of 24.4.2002, Case 102/02, 23.10.2002, Case 1152/02, 9.10.2002, Case 871/02, 20.11.2002, Case 1428/02, 14.1.2004, Case 1480/03, among many others.

[17] See Regulation (EC) no. 2866/98, relating to the conversion rates between the euro and the currencies of the Member States which adopted the euro, published in OJ L 359, of 31.12.1998.

Frequently Asked Questions

Automatically Created

Who is liable for IUC tax when a vehicle is registered in a financial institution's name but has been sold to a third party?
Under Portuguese IUC law, the person liable for tax is determined by the rebuttable legal presumption established in Article 3(1) of the CIUC, which designates the registered owner in the motor vehicle registry as the taxpayer. When a vehicle remains registered in a financial institution's name but has allegedly been sold to a third party, the financial institution remains prima facie liable unless the presumption is rebutted with credible documentary evidence of the sale and transfer of ownership. As Decision 182/2014-T clarifies, mere invoices or sales contracts are insufficient if they lack credibility or contain inconsistencies. The registered owner must provide reliable proof—such as properly executed sales declarations, updated registration documents, or accounting records that satisfy the accuracy presumption under Article 75 LGT—to shift tax liability to the actual purchaser. Until the registry is updated or compelling proof of transfer is presented, IUC liability follows registry ownership.
Can a taxpayer challenge IUC assessments directly through arbitration without first filing an administrative claim (reclamação graciosa)?
Yes, according to Decision 182/2014-T, a taxpayer can challenge IUC assessments directly through CAAD arbitration without first filing a reclamação graciosa (administrative claim). The tribunal explicitly rejected the Respondent's preliminary exception arguing that prior administrative review was mandatory. The tribunal held that it has material competence to review IUC tax assessments under the arbitration regime established by Portaria 112-A/2011, and that direct access to arbitration is procedurally valid for IUC disputes. This means taxpayers may choose to bypass the administrative complaint procedure and proceed directly to arbitral tax court, providing an alternative dispute resolution mechanism. However, taxpayers must still comply with applicable time limits for filing the arbitral claim to ensure their petition is timely and admissible.
What are the time limits for filing an arbitral tax claim against IUC assessments in Portugal?
Under Portuguese tax arbitration law applicable to IUC assessments, the time limits for filing an arbitral claim follow the general deadlines established for tax litigation. As confirmed in Decision 182/2014-T, which addressed and rejected a timeliness objection, taxpayers must file their petition for arbitral pronouncement within the statutory period counting from notification of the tax assessment or, if applicable, the decision on an administrative claim. While the decision does not specify the exact number of days, Portuguese law typically requires filing within 90 days of notification of the tax debt or liquidation. The tribunal in this case found the arbitral claim was timely filed, establishing that CAAD arbitration deadlines for IUC follow standard tax litigation time limits. Taxpayers should act promptly upon receiving IUC assessments to preserve their right to challenge the liability through arbitration.
Does the CAAD Arbitral Tribunal have material competence to review IUC tax assessments under Portaria 112-A/2011?
Yes, the CAAD (Centro de Arbitragem Administrativa) Arbitral Tribunal has material competence to review IUC tax assessments under the legal framework established by Portaria 112-A/2011. Decision 182/2014-T explicitly addressed and rejected the Respondent Tax Authority's preliminary exception challenging the tribunal's jurisdiction. The tribunal held that IUC disputes fall within its statutory competence to adjudicate tax matters through arbitration. This ruling confirms that taxpayers may submit IUC assessment challenges to arbitral tax courts, which have full authority to review the legality of IUC liquidations, including questions of subjective incidence, tax calculation, exemptions, and procedural regularity. The decision establishes important precedent that CAAD jurisdiction extends to Single Road Tax matters, providing taxpayers with an efficient alternative forum to judicial courts for resolving IUC disputes.
How does subjective incidence apply to IUC when vehicles are transferred under leasing or long-term rental contracts (ALD)?
Subjective incidence for IUC purposes is governed by the rebuttable legal presumption in Article 3(1) of the CIUC, which designates the registered vehicle owner as the liable taxpayer. Decision 182/2014-T clarifies that when vehicles are transferred under leasing or long-term rental contracts (ALD - Aluguer de Longa Duração), the determination of IUC liability depends on who appears in the motor vehicle registry. If the leasing company or financial institution remains the registered owner, it is presumed liable for IUC unless this presumption is rebutted with credible proof that ownership was effectively transferred. The tribunal emphasized that contracts for movable property sales require no special formalism under civil law (Article 408 Civil Code), but for tax purposes, the registry-based presumption controls. Lessees or rental companies seeking to establish IUC liability must provide reliable documentary evidence—such as properly executed sale declarations, updated registration, or credible invoices meeting legal formalities—to shift liability from the registered owner. Mere contractual arrangements or defective invoices are insufficient to overcome the registry presumption.