Process: 36/2016-T

Date: June 6, 2016

Tax Type: IUC

Source: Original CAAD Decision

Summary

Process 36/2016-T addresses a fundamental question about IUC (Single Vehicle Circulation Tax) liability: whether formal vehicle registration or actual ownership determines tax obligation when vehicles are sold before the assessment deadline. The petitioner, a vehicle importer and dealer, challenged IUC assessments for 2011-2012 on vehicles registered in its name but sold to third-party dealers before the tax became due. The company argued that while legal requirements for importation mandated initial registration in its name, it had transferred ownership before the 30-day assessment period following the 60-day registration deadline expired. The legal framework presents competing principles: Article 3(1) CIUC defines taxpayers as registered owners, while Article 17(1) establishes that tax is assessed within 30 days after expiry of the registration period. The petitioner contended that combining these provisions with Article 42(2) of the Motor Vehicle Registration Regulation means that a registered operator who transfers ownership before the assessment deadline should not be liable for IUC. The Tax Authority maintained that the assessments were valid. The case was heard through CAAD arbitration, with the tribunal constituted on April 13, 2016, finding it had material competence under RJAT Article 2(1)(a). The tribunal joined multiple assessment challenges given the identical legal and factual grounds. This case highlights the tension between formalistic registration-based tax liability and economic substance when vehicle ownership chains involve importers, dealers, and final consumers.

Full Decision

ARBITRAL DECISION

I. REPORT

  1. A…, Ltd., legal entity no. …, with registered office at …, no. ... …-… …, requested the constitution of an arbitral tribunal in tax matters, with a view to the annulment of the acts of assessment of the Single Vehicle Circulation Tax (IUC), and respective compensatory interest, relating to the periods of 2011 and 2012 and the motor vehicles, identified by their respective registration number in a list contained in the request for arbitral pronouncement, which is hereby given as entirely reproduced herein.

  2. As grounds for the request, submitted on 26-01-2016, the Petitioner alleges, in summary, that although the vehicles were registered in its name on the date to which the disputed assessments refer, it was not the actual owner of the vehicles in question, since, in the exercise of its activity of importing and marketing motor vehicles, it had already sold them to third parties on a date prior to the expiry of the legal deadline for assessment and payment of the said tax.

  3. In response to the requested information, the Tax and Customs Authority (AT) took the position that the present request for arbitral pronouncement was unfounded, maintaining in the legal order the challenged tax acts and, accordingly, for the acquittal of the Respondent entity.

  4. The request for constitution of the arbitral tribunal was accepted by the President of CAAD and automatically notified to the Tax and Customs Authority on 12-02-2016.

  5. Pursuant to the provisions of subparagraph a) of paragraph 2 of article 6 and subparagraph b) of paragraph 1 of article 11 of Decree-Law no. 10/2011, of 20/01, as amended by article 228 of Law no. 66-B/2012, of 31/12, the Ethics Council designated the undersigned as arbitrator of the single arbitral tribunal, who communicated acceptance of the appointment within the applicable period, and notified the parties of such designation on 29-03-2016.

  6. Duly notified of such designation, the parties did not express any willingness to challenge the arbitrator's designation, in accordance with the combined provisions of article 11, paragraph 1, subparagraphs a) and b) of the RJAT and articles 6 and 7 of the Code of Ethics.

  7. Thus, in accordance with the provisions of subparagraph c) of paragraph 1 of article 11 of the RJAT, as amended by article 228 of Law no. 66-B/2012, of 31/12, the single arbitral tribunal was constituted on 13-04-2016.

  8. Being regularly constituted, the arbitral tribunal is materially competent, in light of the provisions of article 2, paragraph 1, subparagraph a), of the RJAT.

  9. The parties have legal personality and capacity and have standing (articles 4 and 10, paragraph 2, of the RJAT, and article 1 of Ordinance no. 112-A/2011, of 22/03).

  10. In view of the knowledge derived from the procedural documents submitted by the parties, which is deemed sufficient for the decision, the Tribunal decided to dispense with the meeting referred to in article 18 of the RJAT.

II. FACTUAL MATTER

  1. With relevance to the assessment of the request for arbitral pronouncement, the following factual elements are highlighted, which, based on the documentary evidence submitted to the case file, are considered proven:

11.1. The Petitioner is a commercial company whose corporate purpose is the importation, marketing, distribution of automobiles, parts, accessories or other complementary or related services, including technical assistance services.

11.2. In the exercise of this activity, it imports motor vehicles that it sells to dealers that form part of its distribution network, which in turn sell them to final consumers, their clients.

11.3. Qualifying as a registered operator, within the terms of the Motor Vehicle Tax Code, the Petitioner, in order to introduce into consumption the motor vehicles that it imports, submits the corresponding Vehicle Customs Declarations (DAV).

11.4. With the issuance of the said DAVs, and after the payment of the Motor Vehicle Tax due, the Petitioner, when its network of dealers informs it that it has entered into a purchase and sale contract for a particular vehicle, requests from the competent entity the assignment of the respective registration certificate.

11.5. By force of legal requirements, and first and foremost because in order to request a registration certificate it is mandatory to submit the DAV in the name of the entity that proceeds with the importation of the vehicle, the first registration of each vehicle is effected in the name of the Petitioner.

11.6. However, in all cases to which the disputed assessments refer, the ownership of the vehicles to which these relate is transferred to a third party - the dealer - which, in turn, transfers it to the final consumer, ceasing (the Petitioner) "to be the taxpayer of that tax."

11.7. From the facts set out, the Petitioner draws, as a conclusion, that "on the date of assessment and due date of the taxes listed in the request for arbitral pronouncement" it was not the owner of the vehicles listed in the notices, in accordance with the documentation and list that it attaches.

  1. There are no facts relevant to the decision on the merits that have not been proven.

III. JOINDER OF CLAIMS

  1. The present request for arbitral pronouncement refers to several acts of assessment of the Single Vehicle Circulation Tax (IUC). However, given the identity of the tax facts, of the tribunal competent to decide and of the factual and legal grounds invoked, the tribunal considers that nothing prevents, in light of the provisions of articles 3 of the RJAT and 104 of the CPPT, the joinder of claims.

IV. POSITION OF THE PARTIES

a) Position of the Petitioner

  1. The Petitioner bases the request for arbitral pronouncement on the circumstance that, on the date of "assessment and due date" of the tax to which the assessments identified therein refer, it was not the owner of the vehicles and, consequently, did not assume the status of taxpayer of the tax that was assessed against it.

  2. In the understanding it expresses, the Petitioner considers that from the combination of the provisions of articles 3, 6 and 17 of the Single Vehicle Circulation Tax Code (CIUC) with paragraph 2 of article 42 of the Motor Vehicle Registration Regulation, approved by Decree-Law no. 55/75, of 12/02, it follows that a registered operator that carries out the importation of vehicles into Portuguese territory and transfers the respective ownership before the deadline for assessment and payment of the said tax has expired, is not, nor would ever be, the taxpayer of the IUC.

  3. The Petitioner develops and bases the said understanding, with extensive argumentation, from which the following is summarized in highlights:

a) Article 3, paragraph 1, of the CIUC establishes that those considered taxpayers of that tax are the owners (of the taxable vehicles), considered as such the natural or legal persons, of public or private law, in whose name the same are registered;

b) The taxable event of the tax is, therefore, constituted by ownership as attested by the registration or record in national territory (article 6, paragraph 1, of the CIUC);

c) However, in the matter of assessment and payment of tax, paragraph 1 of article 17 of that same Code establishes that in the year of registration of the vehicle in national territory, the tax is assessed by the taxpayer within 30 days following the expiry of the legally required period for its registration;

d) In accordance with article 42, paragraph 2, of the Motor Vehicle Registration Regulation, where it is an initial registration of ownership, the vehicle shall be registered within a period of 60 days from the date of attribution of the registration;

e) That is, after the attribution of the registration, the owner (IUC taxpayer) has a period of 60 days to register the vehicle, moment from which the counting of the 30-day period for assessment and payment of the tax begins, so that between the attribution of the registration and the expiry of the period for assessment and payment of the tax there is a period of 90 days.

  1. From the foregoing, the Petitioner draws the conclusion that "if the ownership of the vehicle is transferred during the 60-day period for registration of the vehicles and, consequently, before the tax is shown to be assessed and due, it is possible to eliminate the responsibility of the previous registered owner (the initial owner of the vehicle)."

  2. In order to eliminate the subjective incidence of the tax, the Petitioner further submits that:

a) Moreover, in cases where the initial owner, such as the petitioner, are registered operators that transferred such ownership before the expiry of the period for registration and even before the expiry of the period for assessment and payment of the tax, such responsibility should always be eliminated precisely by the very nature of the tax itself;

b) Since the principle of equivalence underlying the Single Vehicle Circulation Tax determines that what the tax aims at is the coverage of road and environmental costs resulting from the use of vehicles, and that such benefit is not enjoyed by registered operators, but rather by the purchasers of the vehicles, all in obedience to the polluter-pays principle.

  1. Thus, appealing to the principle of equivalence, which article 1 of the respective Code elects as a structuring principle of the IUC, the Petitioner concludes that "it does not use the vehicles it imports into Portugal, limiting itself to marketing those vehicles (with 0 Kms) through its distribution network, which in reality allows us to conclude, given the genesis of the IUC, that for purposes of determining the subjective incidence of the tax only the first taxpayer who actually uses the vehicle should be considered as such."

b) Position of the Respondent

  1. In response to the argumentation presented by the Petitioner, the Respondent maintains that such arguments, "in addition to having no support or basis in the letter of the law, are based on wrong premises, seeking through this the application of a regime of exclusion of taxation in the context of IUC."

  2. Relying on the legal norms already referred to by the Petitioner, the Respondent maintains that:

a) The issuance of the registration certificate (of motor vehicles) requires the submission of a DAV by the Petitioner and the payment of the corresponding ISV tax (Motor Vehicle Tax), and automatically gives rise to the registration of the vehicle's ownership under article 24 of the RRA in the name of the entity that proceeded with the importation of the vehicle and request for registration, that is, the Petitioner;

b) Therefore, the first registration of each vehicle is carried out in the name of the importing entity, in this case the Petitioner;

c) Such fact is clearly evident in the information contained in the administrative case file in which it is verified that according to the elements issued by the Motor Vehicle Registration Authority it is conclusive that the Petitioner appears as the first owner of the vehicles better identified in point 22 of the request for arbitral pronouncement;

d) Therefore, it is conclusive that pursuant to article 24 of the RRA, the importer appears in the register as the first owner of the vehicle and in that sense is, in accordance with the established in articles 3 and 6, both of the CIUC, the taxpayer;

e) As we have mentioned, the taxable event in the context of IUC is assessed in accordance with article 6 of the CIUC, by registration in national territory;

  1. In light of the foregoing, the Respondent concludes that:

a) As is well known, the taxable event of the tax relationship is that which combined the assumptions provided in the tax law, that is, it is the reality with sufficient legal force that comes to it from the law to set in motion, to combine, the tax assumptions, considered as those situations, personal and real, provided expressly or tacitly, by the norms of tax incidence;

b) The attribution to the Petitioner of a registration certificate constitutes, in accordance with the provisions of article 6 of the CIUC, the taxable event of the tax, so that, having the Petitioner requested the issuance of a registration certificate being the same registered in its name, the assumptions of the taxable event of IUC as well as of its due date are met, the Petitioner being the taxpayer of the tax."

  1. The positions of the Parties having been set out in summary, and the facts alleged by the Petitioner being supported by documentary evidence submitted to the case file - designated, contained in the administrative case file - which the parties accept and do not contest, it is verified that only legal matters are at issue.

V. LEGAL MATTERS

  1. Thus, having set out, in summary, and with partial transcription, the positions of the Petitioner and the Respondent, the following are clearly defined:

  • For the Petitioner, the due date of the tax is constituted at the expiry of the deadline for carrying out the initial registration of the taxable vehicles, and the taxpayer of the tax obligation is the person in whose name the vehicle is then registered;

  • For the Respondent, the taxable event of the tax obligation and the corresponding due date are defined at the moment the vehicle's registration certificate is issued.

  1. It is necessary, therefore, to analyze the relevant provisions of the CIUC in this matter, designating, in particular, the notions of subjective incidence, articulated with the principle of equivalence, as well as those of taxable event and due date of the tax, in articulation with the respective rules of assessment and payment.

On Subjective Incidence

  1. Notwithstanding the IUC Code erecting as a structuring principle of this tax the principle of equivalence, understood as compensation for the harmful environmental and energy effects resulting from the circulation of vehicles [i], the said Code elects, with regard to subjective incidence, the owner of the vehicle, considered as such the person in whose name the same is registered (CIUC, article 3, paragraph 1).

  2. While not generally attributing special relevance to the actual use of the vehicles, the legislator does not, however, fail to consider such fact in specific situations involving its presumptive and potential use, equating to owners, financial lessees, purchasers with retention of title, as well as other holders of a purchase option right by virtue of a lease contract (CIUC, article 3, paragraph 2).

  3. The said Code does not, however, provide for any other situation that would eliminate the subjective incidence defined in terms of vehicle ownership, which is assessed in light of the presumption derived from the respective registration.

  4. Thus, in the absence of express legal provision, the registered operator, whose status and requirements for attribution are defined in articles 12 and 13 of the Motor Vehicle Tax Code, does not benefit from any special regime or status, for purposes of IUC.

  5. With a view to the marketing of new vehicles imported or admitted into Portuguese territory, the said operator will have to obtain the respective registration, without which the same cannot be admitted to circulation in Portugal, as follows from the provisions of article 117, paragraphs 1 and 4, of the Road Code.

  6. Once this is attributed, the operator, by force of the norms relating to the mandatory registration of motor vehicles, contained, designating, in articles 24 and 42 of the Motor Vehicle Registration Regulation, shall proceed with the respective registration, within a maximum period of 60 days from the date of attribution thereof.

  7. Consequently, the first registration of a new vehicle is necessarily effected in the name of the operator that proceeds with its importation or admission into Portuguese territory, which, in the absence of any exception or special regime, assumes, forthwith, the status of taxpayer of the tax obligation.

On the Taxable Event, Due Date and Payment of the Tax

  1. The taxable event of the tax obligation is constituted by the ownership of the vehicle, as attested by its respective registration in national territory (CIUC, article 6, paragraph 1).

  2. Verified thus the legal assumptions - existence of a taxable vehicle, whose enumeration is contained in article 2 of the CIUC, and attribution of its respective registration - the tax fact is constituted. Identified, in accordance with the above references, the person, natural or legal, bound to the fulfillment of the tax obligation, the tax legal relationship is shown to be entirely defined, and thus the conditions necessary for the due date of the tax are met.

  3. Being the IUC a periodic annual tax, the periodicity of which, in the case of motor vehicles, corresponds to the year that begins on the date of registration, and, subsequently, on each of its anniversaries, its respective due date occurs on the first day of each taxation period (CIUC, articles 4, paragraph 2 and 6, paragraph 3).

  4. In the case of vehicles subject to first registration, it is therefore on the date on which this is effected that the moment of the tax's due date is defined, that is, the moment from which the tax creditor can enforce, against the debtor, its right to payment of the tax, even though this can be deferred in time.

  5. Without prejudice to the provisions of article 18, paragraph 1, applicable in the event of non-compliance with the obligation to register a vehicle to which first registration has been attributed, the deadline for assessment and payment of the tax is established in article 17 of the CIUC, the paragraph 1 of which provides that in the year of registration of the vehicles in national territory the tax must be assessed and paid by the taxpayer within 30 days following the expiry of the legally required period for its registration.

  6. Such deadline, relating to the fulfillment of the tax obligation, already previously constituted in accordance with the above exposition, does not configure a tax suspension period nor contends with the respective due date.

  7. Contrary to the understanding upheld by the Petitioner, the due date of the tax does not occur at the moment when it is, or should be, assessed, but at the moment that the law fixes. And this is situated on the date on which the taxation period begins, which, in the year of registration, corresponds to the date on which the registration is attributed, as provided by article 6, paragraph 3, of the CIUC.

  8. The circumstance that, during the period that the law grants to the operator to carry out the registration, the transfer to a third party - final consumer or other - of the vehicle to which the tax relates occurs, does not involve, concomitantly, the transfer of the tax obligation nor alters the tax legal relationship already constituted (see LGT, article 36), in which the person in whose name it is registered on that date holds the status of taxpayer and debtor of the tax.

DECISION

On these grounds, and for the reasons set out, the Arbitral Tribunal decides to deem the request for arbitral pronouncement unfounded, with the consequent acquittal of the Tax and Customs Authority.

Value of the proceedings: The value of the proceedings is set at €342.03, in accordance with article 97-A, paragraph 1, subparagraph a) of the CPPT, applicable by reference to article 29, paragraph 1, subparagraphs a) and b), of the RJAT and article 3, paragraph 2, of the Regulation of Costs in Tax Arbitration Proceedings.

Costs: Under article 22, paragraph 4, of the RJAT, and in accordance with Table I annexed to the Regulation of Costs in Tax Arbitration Proceedings, the costs are set at €306.00, entirely at the charge of the Petitioner.

Lisbon, 6 June 2016,

The Arbitrator,
Álvaro Caneira.

[i] See Sérgio Vasques, "The Special Consumption Taxes", Almedina, 2000 and the Statement of Reasons of Bill no. 118-X, which gave rise to Law no. 22-A/2007, of 29 May (reform of motor vehicle taxation).

Frequently Asked Questions

Automatically Created

Who is liable for IUC tax in Portugal when a vehicle has been sold but registration was not transferred?
Under Portuguese law, Article 3(1) of the IUC Code establishes that the registered owner is liable for IUC tax. However, this case challenges whether formal registration alone determines liability when the vehicle has been sold before the tax assessment deadline. The petitioner argued that when a vehicle importer transfers ownership to a dealer before the 30-day assessment period (following the 60-day registration period) expires, the importer should not be the IUC taxpayer despite initial registration in its name due to legal import requirements. The outcome depends on whether courts prioritize legal registration or economic ownership at the moment the tax obligation crystallizes.
What is the taxable event (facto gerador) for IUC and when does it become due?
The taxable event (facto gerador) for IUC is ownership of a vehicle as evidenced by registration in Portuguese territory, according to Article 6(1) CIUC. Regarding exigibility (when tax becomes due), Article 17(1) CIUC establishes that in the year of initial registration, the taxpayer must assess the tax within 30 days following expiry of the legally required registration period. Article 42(2) of the Motor Vehicle Registration Regulation provides a 60-day period from attribution of registration to complete vehicle registration. Therefore, the tax becomes due within 30 days after this 60-day registration period expires, creating a total window of approximately 90 days from registration attribution.
Can a vehicle dealer challenge IUC assessments for cars already sold to third parties?
Yes, vehicle dealers can challenge IUC assessments for cars already sold to third parties, as demonstrated in Process 36/2016-T. A dealer-importer successfully brought arbitration proceedings before CAAD (Centro de Arbitragem Administrativa) arguing that it should not be liable for IUC on vehicles sold before the tax assessment deadline, despite the vehicles being registered in its name. The legal basis for challenge rests on interpreting Articles 3, 6, and 17 of the IUC Code together: if ownership transfers before the assessment deadline expires, the dealer argues it ceases to be the taxpayer. Such challenges require demonstrating through documentation that ownership was transferred to third parties before the relevant tax deadline.
How does CAAD arbitration work for disputes over IUC tax assessments in Portugal?
CAAD arbitration for IUC tax disputes follows the procedure established in RJAT (Regime Jurídico da Arbitragem Tributária). The taxpayer files a request for arbitration identifying the challenged assessments and legal grounds. The CAAD President accepts the request and notifies the Tax Authority, which submits its response. The Ethics Council designates an arbitrator (or three-member panel for higher amounts), who accepts the appointment. Parties are notified and may challenge the designation within the legal timeframe. Once challenges expire, the tribunal is constituted. The tribunal examines documentation, may hold hearings (though can dispense with them if documentation suffices), and issues a binding decision. In Process 36/2016-T, the tribunal was constituted on April 13, 2016, approximately two months after the initial request.
Does vehicle registration alone determine IUC tax liability under Portuguese tax law?
Vehicle registration is the primary but potentially not exclusive determinant of IUC liability under Portuguese tax law. Article 3(1) CIUC explicitly states that taxpayers are those 'in whose name the [vehicles] are registered,' establishing registration as the formal criterion. However, Process 36/2016-T raises whether this principle applies absolutely when ownership transfers occur before the tax assessment deadline. The petitioner argued that Articles 17(1) CIUC and 42(2) of the Registration Regulation create a temporal framework where liability should be determined at the moment assessment becomes due, not merely at initial registration. This suggests that while registration is the starting point for determining liability, the timing provisions may allow actual ownership at the assessment deadline to override purely formal registration, particularly for vehicle importers and dealers who must initially register vehicles in their names due to customs procedures before transferring to final purchasers.