IUC Subjective Incidence: Vehicle Seller Exemption

Process: 448/2014-T

Date: January 14, 2015

Tax Type: IUC

Summary

CAAD Arbitral Decision 448/2014-T addresses a fundamental dispute regarding IUC (Single Circulation Tax) subjective incidence when vehicles have been sold but registration remains unchanged. A vehicle trading and rental company challenged IUC assessments totaling €57,123.51 for years 2009-2013, arguing it was not the taxable person since vehicles had been sold to third parties before the tax periods, as proven by sales invoices. The claimant contended that vehicle registration serves only publicity purposes under DL 54/75 and does not determine actual ownership for tax purposes. The Tax Authority countered that Article 3(1) of CIUC clearly establishes that taxpayers are those appearing in the vehicle register as owners, creating a legal presumption that cannot be easily overcome. The case raises critical questions about the interplay between legal presumptions based on official registration and actual ownership evidenced by commercial transactions. The tribunal established that vehicles were indeed sold before the tax periods but noted uncertainty regarding whether buyers completed mandatory registration updates under Article 8-B of the Land Registry Code. This case exemplifies the tension in Portuguese tax law between formal registration requirements and substantive ownership rights, with significant implications for vehicle trading companies that may face IUC liability for vehicles no longer in their economic possession. The decision must balance administrative efficiency, legal certainty through registration systems, and the principle that tax obligations should correspond to actual economic capacity and ownership.

Full Decision

ARBITRAL DECISION

Arbitral Decision

CAAD - Tax Arbitration

Case No. 448/2014-T

Claimant – A – Commerce and Automobile and Equipment Rental, Sole Proprietor, Ltd.

Respondent - Tax and Customs Authority (AT)

Subject Matter - Single Circulation Tax (IUC) Assessment

Designated Arbitrator - Maria de Fátima Alves

1 REPORT

1.1

A – Commerce and Automobile and Equipment Rental, Sole Proprietor, Ltd., hereinafter referred to as "A", a legal entity with no. …, Claimant in the tax proceeding, referenced above and separately, hereinafter denominated "Claimant", came, invoking the provisions of Article 10 of Decree-Law No. 10/2011, of January 20 (hereinafter RJAT), in Articles 132 and 99 et seq. of the Tax Procedure and Process Code (CPPT) and in paragraphs 1 and 2, subparagraph d) of Article 95 of the General Tax Law (LGT), to request the constitution of a Single Arbitral Tribunal, with a view to:

The annulment of the assessment acts relating to the Single Circulation Tax (hereinafter referred to as IUC), relating to the years: 2009; 2010; 2011; 2012 and 2013, concerning the vehicles listed in the complaint procedures No. … 2014…, … 2014… and … 2014… (attached to the Request for Arbitral Pronouncement, it being appropriate to consider the provisions of No. 16 of the Initial Petition);
The reimbursement of the total amount of € 57,123.51, plus the respective compensatory interest provided for in Articles 43 of the LGT and Article 61 of the CPPT.

1.2

Pursuant to the provisions of subparagraph a) of No. 2 of Article 6 and subparagraph b) of No. 1 of Article 11 of Decree-Law No. 10/2011, of January 20, in the wording introduced by Article 228 of Law No. 66-B/2012, of December 31, the Ethics Council designated Maria de Fátima Alves as sole arbitrator, who communicated acceptance of the appointment:

On 18-08-2014 the parties were duly notified of this appointment, and did not manifest the intention to refuse the arbitrator's appointment, in accordance with the combined provisions of Article 11 No. 1 subparagraphs a) and b) of the RJAT and Articles 6 and 7 of the Code of Ethics;
Therefore, the arbitral tribunal was constituted on 02-09-2014, as prescribed in subparagraph c) of No. 1 of Article 11 of Decree-Law No. 10/2011, of January 20, in the wording introduced by Article 228 of Law 66-B/2012, of December 31.

1.3

The Claimant, in the substantiation of its request for arbitral pronouncement, states, in summary, the following:

The vehicles, to which the single circulation tax assessment relates, were not, at the date of the tax events, the property of the Claimant, and the Claimant is not, therefore, a taxpayer subject to the tax;
Proof that the vehicles identified in the PA were subject to sale to third parties (Claimant's clients) at a moment prior to the taxation period cf. invoices attached in the gracious complaints (contained in the PA), which are given as fully reproduced for all legal purposes;
Furthermore, there is also at issue the IUC of the years 2009 to 2013 concerning vehicles that were recorded as total loss and regarding which the respective registrations have already been cancelled, at a moment prior to the taxation period – cf. invoices attached in the gracious complaints (contained in the PA), which are given as fully reproduced for all legal purposes;
Therefore, since the Claimant is not the owner of the vehicles in question, it cannot be a taxpayer subject to the tax, in light of the letter and spirit of Article 3 of the Single Circulation Tax Code (hereinafter referred to as CIUC);
Considering that the registration of vehicles at the competent Motor Vehicle Registration Office is not a condition for the transfer of ownership, since such registration aims only to publicize the legal situation of the assets, as results, in particular, from the provisions of Article No. 1 of Decree-Law No. 54/75, of February 12;
Therefore, the tax assessment relating to the CIUC cannot only affect whoever is listed in the register as the owner of the vehicles and not their actual owners.

1.4

The Respondent, Tax and Customs Authority (hereinafter referred to as AT), proceeded to attach the Tax Administrative Process and submitted a response, from which it is understood that the tax acts in question do not suffer from any defect of violation of law, expressing itself in favor of the inadmissibility of the claim and the maintenance of the questioned assessment acts, defending, summarily, the following:

The taxpayers subject to the single circulation tax are the persons who appear in the register as owners of the vehicles, as provided in No. 1 of Article 3 of the CIUC, which in the present case, sub judice, is verified regarding the Claimant;
For this to occur, it must be verified that the registration of the vehicles is in the name of a certain person so that such person embodies the position of taxpayer subject to the IUC tax obligation;
That notoriously the interpretation that the Claimant makes of the provisions of Article 3 of the CIUC is wrong, insofar as it incurs in a "skewed interpretation of the letter of the law" and in the adoption of "an interpretation that does not take account of the systematic element, aiming at the unity of the regime established throughout the CIUC and, more broadly, throughout the entire legal-tax system", following, moreover, an "interpretation that ignores the ratio of the regime established in the article in question and, as well as throughout the CIUC".

1.5

The meeting provided for in Article 18 of the RJAT was held on 10-11-2014, where it was decided, by the Tribunal, with the agreement of the parties, to dispense with the examination of witnesses;

The Tribunal decided, having heard the parties and with their agreement, to dispense with the holding of final oral arguments;
At that meeting it was, by consensus, verified that there is no exception capable of being considered and decided before the claim is known;
The Tribunal, in compliance with the provisions of Article 18, No. 2 of the RJAT, set the period until 15-01-2015 for the purpose of rendering the arbitral decision.

2 QUESTIONS TO BE DECIDED

2.1

In view of the above in the previous paragraphs, regarding the exposition of the parties and the arguments presented, the main questions to be decided are as follows:

The allegation made by the Claimant relating to the substantive assessment of the assessment acts relating to the years 2009, 2010, 2011, 2012 and 2013 concerning the IUC on the vehicles referenced above in the PA;
The incorrect interpretation and application of the rules of subjective incidence of the single circulation tax assessed and collected, which constitutes the central question to be decided in the present proceeding;
The legal value of motor vehicle registration.

3 FINDINGS OF FACT

3.1

On matters of fact, relevant to the decision to be rendered, this Tribunal accepts as established, in light of the elements in the file, the following facts:

The Claimant sold the automobiles in question to third parties (Claimant's clients) at a moment prior to the taxation period – cf. sales invoices attached in the gracious complaints (contained in the PA) which are given as fully reproduced for all legal purposes;
Unaware of whether the buyers proceeded to alter the ownership of the registration as was required cf. Article 8-B, No. 1 of the Land Registry Code, applicable to Motor Vehicle Registration by force of Article 29 of DL No. 54/75 of February 12 and combined with subparagraph a) of No. 1 of Article 5 of the same Legal Instrument.

3.1.1 SUBSTANTIATION OF PROVEN FACTS

The facts given as proven are based on the sales invoices, attached in the gracious complaints (contained in the PA) which are given as fully reproduced for all legal purposes.

3.1.2 UNPROVEN FACTS

There are no facts given as unproven, given that all facts considered relevant for the consideration of the claim were proven.

4 FINDINGS OF LAW

4.1

The Tribunal is substantively competent and is regularly constituted, in accordance with Articles 2 No. 1, subparagraph a), 5 No. 2, subparagraph a), 6 No. 1, 10 No. 1, subparagraph a) and No. 2 of the RJAT:

The parties possess legal personality and capacity and are legitimate, ex vi, Articles 4 and 10, No. 2 of the RJAT and Article No. 1 of Ordinance No. 112-A/2011, of March 22;
The proceeding does not suffer from any nullities;
No incidents were cited by the Parties, nor are there preliminary questions on which the Tribunal should pronounce itself.

4.2

The subject matter of the present proceeding is the declaration of annulment of the IUC assessment acts relating to the motor vehicles better identified in the proceeding.

4.2.1

Condemnation of the AT to reimbursement of the amount of the tax relating to such assessments in the amount of 57,123.51 €;

4.2.2

Condemnation of the AT to payment of compensatory interest on the same amounts.

4.3

According to the AT's understanding, it is sufficient that the vehicle is listed in the register as property of a certain person for that person to be the taxpayer subject to the tax obligation.

4.4

The matter of fact is fixed, as stated in No. 3.1 above, and it is now necessary to determine the law applicable to the underlying facts, in accordance with the questions to be decided, identified in No. 2.1 above, and it is certain that the central question at issue in the present proceedings, regarding which there are absolutely opposite understandings between the Claimant and the AT, consists in knowing whether No. 1 of Article 3 of the CIUC establishes or not a rebuttable presumption.

4.5

Everything analyzed and, taking into account, on the one hand, the positions of the parties in confrontation, mentioned in points 1.3 and 1.4 above and, considering, on the other hand, that the central question to be decided is whether No. 1 of Article 3 of the CIUC establishes or not a legal presumption of tax incidence, it is necessary, in this context, to consider and render a decision.

5 QUESTION OF INCORRECT INTERPRETATION AND APPLICATION OF THE RULE OF SUBJECTIVE INCIDENCE OF IUC

5.1

Considering it to be accepted in doctrine that in the interpretation of tax laws the general principles of interpretation apply fully, which will be, only and naturally, limited by the exceptions and particularities dictated by the law itself that is the object of interpretation. This is an understanding that has come to receive recognition in the General Tax Laws of other countries and has also come to be enshrined in Article 11 of our General Tax Law, which has, moreover, been frequently highlighted by jurisprudence.

It is consensually accepted that in order to apprehend the meaning of the law, interpretation resorts, a priori, to reconstructing legislative intent through the words of the law, which means seeking its literal meaning, evaluating it and assessing it in light of other criteria, with the so-called elements of a logical, rational or teleological nature and of a systematic order intervening:

With regard to the interpretation of tax law, jurisprudence must be considered, namely, the Judgments of the STA of 05-09-2012, case No. 0314/12 and of 06-02-2013, case 01000/12, available at www.dgsi.pt, the importance of the provisions of Article 9 of the Civil Code (CC), as a fundamental element of legal hermeneutics;
Article 3, No. 1 of the CIUC provides that "Taxpayers subject to the tax are the owners of the vehicles, considering as such the natural or legal persons, of public or private law, in whose name they are registered";
The formulation used in the aforementioned article resorts to the expression "considering-se" (considering as such), which raises the question of whether such expression can be attributed a presumptive meaning, equating it to the expression "presumindo-se" (presuming), these are expressions frequently used with equivalent meanings;
As Jorge Lopes de Sousa teaches, in Tax Procedure and Process Code, Annotated and Commented, volume I, 6th Edition, Área Editora, SA, Lisbon 2011, p. 589, that in matters of tax incidence, presumptions can be revealed by the expression "presume-se" or by a similar expression, with various examples of such presumptions being mentioned, referring to the one contained in Article 40, No. 1 of the CIRS, in which the expression "presume-se" is used, and the one contained in Article 46, No. 2 of the same Code, in which use is made of the expression "considera-se" (considers as such), as an expression with a similar effect thereto and embodying, equally, a presumption;
In the legal formulation set out in No. 1 of Article 3 of the CIUC, in which a presumption was established, revealed by the expression "considering-se" (considering as such), of meaning similar and of equivalent value to the expression "presumindo-se" (presuming), in use since the creation of the tax in question;
The use of the expression "considering-se" (considering as such) aimed at nothing more than the establishment of a more marked and clear approximation between the taxpayer subject to the IUC and the actual owner of the vehicle, which is in harmony with the reinforcement given to vehicle ownership, which has now become the taxable event of the tax, in accordance with Article 6 of the CIUC;
The relevance and interest of the presumption in question, which historically was revealed through the expression "presumindo-se" (presuming) and which now uses the expression "considering-se" (considering as such), resides in the truth and justice that, by this means, is conferred on tax relations and which embody fundamental tax values, allowing taxation of the real and actual owner and not of one who, by circumstances of a different nature, is sometimes merely an apparent and false owner. If the case were not considered thus, not admitting and taking into account the presentation of probative elements intended to demonstrate that the actual owner is, in fact, a person different from the one listed in the register and who, initially and in principle, was supposed to be the true owner, those values would be objectively disregarded.

5.2

The principle of equivalence, inscribed in Article 1 of the CIUC, must also be considered, which has underlying it the polluter-pays principle and concretizes the idea inscribed therein that whoever pollutes must, for this reason, pay. The aforementioned principle has constitutional grounding, insofar as it represents a corollary of the provisions of subparagraph h) of No. 2 of Article 66 of the Constitution, and also has grounding in Community law, whether at the level of primary law, Article 130-R of the Treaty of Maastricht (Treaty on European Union, of 07-02-1992), where the aforementioned principle came to be included as support for Community Policy in the environmental field and which aims to hold responsible those who contribute to the losses that arise for the community, resulting from the use of motor vehicles, being assumed by their owners-users as costs that only they should bear.

5.3

In light of the facts described above, it is important to emphasize that the aforementioned elements of interpretation, whether those related to literal interpretation, supported by the legally used words, or those relating to logical elements of interpretation, of a historical nature or of a rational order, all point in the direction that the expression "considering-se" (considering as such) has a meaning equivalent to the expression "presumindo-se" (presuming), and it should thus be understood that the provisions of No. 1 of Article 3 of the CIUC establishes a legal presumption that, in light of Article 73 of the LGT, which establishes that "Presumptions established in tax incidence rules always admit proof to the contrary", will necessarily be rebuttable, which means that the taxpayers subject to the tax are, in principle, the persons in whose name such vehicles are registered. These persons, so identified in these conditions, are those to whom the AT must necessarily address itself;

But it will be, in principle, given that in the context of mandatory prior hearing, in light of the provisions of subparagraph a) of No. 1 of Article 60 of the LGT, the tax relationship may be reconfigured, validating the taxpayer initially identified or redirecting the proceeding towards the one who is, in fact, the true and actual taxpayer subject to the tax in question.
The taxpayer has the right to be heard, through mandatory prior hearing (José Manuel Santos Botelho, Américo Pires Esteves and José Cândido de Pinho, in Administrative Procedure Code, Annotated and Commented, 4th edition, Almedina, 2000, annotation 8 of Article 100).
The prior hearing, which naturally must be carried out at the moment immediately prior to the assessment proceeding, corresponds to the proper place and time to, with certainty and security, identify the taxpayer subject to the IUC.

6 ON THE LEGAL VALUE OF REGISTRATION

6.1

Regarding the legal value of registration, it is important to note what is established in No. 1 of Article 1 of Decree-Law No. 54/75, of February 12 (amended several times, the last being by Law No. 39/2008, of August 11), when it provides that "the registration of vehicles has essentially for purpose to publicize the legal situation of motor vehicles and their trailers, with a view to the security of legal commerce":

Article 7 of the Land Registry Code (CRP), applicable, supplementarily, to motor vehicle registration, by force of Article 29 of the CRA, provides that "Definitive registration constitutes a presumption that the right exists and belongs to the registered holder, in the precise terms in which the registration defines it";
Definitive registration is merely a rebuttable presumption, thus admitting contrary proof, as follows from the law and jurisprudence has been signaling, and can be seen, among others, in the Judgments of the STJ No. 03B4369 of 19-02-2004 and No. 07B4528, of 29-01-2008, available at: www.dgsi.pt;
Therefore, the function legally reserved to registration is, on one hand, to publicize the legal situation of the assets, in the case in question, of vehicles and, on the other hand, allows us to presume that the right exists over those vehicles and that it belongs to the holder, as such registered in the register, does not have a constitutive nature of the right of ownership, but merely declarative, hence registration does not constitute a condition of validity of the transfer of the vehicle from seller to buyer;
The acquirers of the vehicles become owners of those same vehicles through the celebration of the corresponding purchase and sale contracts, with or without registration;
In this context it is worth recalling that, in light of the provisions of No. 1 of Article 408 of the CC, the transfer of real rights over things, in the case sub judice, motor vehicles, is determined by the mere effect of the contract, and in accordance with the provisions of subparagraph a) of Article 879 of the CC, among the essential effects of the purchase and sale contract, stands out the transfer of the thing;
In light of the foregoing, it becomes clear that legislative intent points in the direction that the provisions of No. 1 of Article 3 of the CIUC establishes a presumption "juris tantum", consequently rebuttable, thus allowing the person who is registered in the register as owner of the vehicle to present probative elements intended to demonstrate that such ownership is inserted in the legal sphere of another person, to whom ownership was transferred.

7 THE PRESUMPTION OF ARTICLE 3 OF THE CIUC AND THE DATE ON WHICH IUC IS ENFORCEABLE

7.1 THE PRESUMPTION OF ARTICLE 3 OF THE CIUC

The AT considers that the presumption that exists in No. 1 of Article 3 of the CIUC is resulting from an interpretation contra legem, resulting from a skewed reading of the letter of the law and, therefore, violating the unity of the legal system, however, and with all due respect, the understanding of jurisprudence goes in the direction that the existence of a legally rebuttable presumption should be considered, and therefore consequently serves the values and interests questioned, both at the level of substantive tax justice and at the level of the environmental purposes aimed at by the IUC;
With regard to the unity of the legal system it is important to highlight everything that has been cited above, namely, regarding the ratio of Article 1 of the CIUC; regarding the standards and principles of the LGT; regarding the relevant and applicable rules concerning motor vehicle registration, regarding the interpretation that better serves and achieves the mentioned unity and ensures the connection of those same rules, considering the legal presumption that is prescribed in Article 3 of the CIUC.

7.2 DATE ON WHICH IUC IS ENFORCEABLE

The IUC is a tax of periodic taxation, the periodicity of which corresponds to the year that begins at the time of registration or at each of its anniversaries, as provided in Nos. 1 and 2 of Article 4 of the CIUC;
It is enforceable in accordance with No. 3 of Article 6 of the aforementioned Code;
It should be noted that, regarding the assessment of IUC charged to the Claimant on the vehicles referenced above, in the years 2009 to 2013, are not to be considered, because at the time of the tax events the vehicles no longer belonged to it, cf. sales invoices attached in the gracious complaints (contained in the PA) which are given as fully reproduced for all legal purposes.

7.2.1

Regarding the burden of proof, Article 342 No. 1 of the CC provides "it is incumbent upon the person invoking a right to prove the facts constitutive of the alleged right";

7.2.2

Also Article 346 of the CC (counter-proof) provides that "to the proof that is produced by the party on whom the burden of proof falls, the opposing party may present counter-proof regarding the same facts, intended to render them doubtful; if it succeeds, the question is decided against the party burdened with proof." (As Anselmo de Castro states, A., 1982, ED. Almedina Coimbra, "Declaratory Civil Procedural Law", III, p. 163, "when the burden of proof falls upon one of the parties, the opposing party need only present counter-proof, which is a proof intended to render doubtful the facts alleged by the first".)

Thus, in the present case, what the Claimant has to prove, in order to rebut the presumption arising both from Article 3 of the CIUC and from the Motor Vehicle Register itself, is that it, the Claimant, was not the owner of the vehicles in question in the period to which the questioned assessments relate. It proposes to prove, as results from the file, that it transferred the ownership of the vehicles through purchase and sale contracts prior to the periods to which the assessments relate. Thus presenting the respective sales invoices attached to the PA which are given as fully reproduced for all legal purposes.

7.3 REBUTTAL OF THE PRESUMPTION

The Claimant, as referred to in 3.1, regarding the proven facts, alleged, with the purpose of overcoming the presumption, not to be the owner of the vehicles, at the time of the occurrence of the tax events, offering for this purpose the following documents;
Sales invoices;
The transfer of ownership of said vehicles, at a date prior to that on which the IUC was enforceable, thus embodying means of proof with sufficient and adequate force to rebut the presumption based on the register, as prescribed in No. 1 of Article 3 of the CIUC, documents which enjoy the presumption of truthfulness provided for in No. 1 of Article 75 of the LGT. It follows from this that at the date on which the IUC was enforceable, the person who held ownership of the motor vehicles was not the Claimant.

8 OTHER ISSUES RELATING TO THE LEGALITY OF ASSESSMENT ACTS

Regarding the existence of other issues relating to the legality of the assessment acts, taking into account that it is inherent in the establishment of an order of knowledge of defects, as provided for in Article 124 of the CPPT, that where the request for arbitral pronouncement is based on defects that prevent the renewal of the questioned assessments, the knowledge of other defects is prejudiced, because futile, it does not seem necessary to know of the other issues raised.

9 REIMBURSEMENT OF THE TOTAL AMOUNT PAID

In accordance with the provisions of subparagraph b) of No. 1 of Article 24 of the RJAT and, in conformity with what is established therein, the arbitral decision on the merits of the claim from which no appeal or challenge is possible, binds the tax administration from the end of the period provided for appeal or challenge, and the latter must, in the exact terms of the successfulness of the arbitral decision in favor of the taxpayer and until the end of the period provided for the spontaneous execution of judgments of tax courts "Reestablish the situation that would exist if the tax act that is the subject of the arbitral decision had not been carried out, adopting the acts and operations necessary for that purpose"
These are legal commands that are in total harmony with the provisions of Article 100 of the LGT, applicable to the case, ex vi of the provisions in subparagraph a) of No. 1 of Article 29 of the RJAT, in which it is established that "The tax administration is obliged, in case of full or partial successfulness of complaints or administrative appeals or of judicial proceedings in favor of the taxpayer, to the immediate and complete reestablishment of the situation that would exist if the illegality had not been committed, corresponding the payment of compensatory interest, in accordance with the terms and conditions provided for by law".
The case contained in the present proceedings raises the manifest application of the mentioned rules, given that as a result of the illegality of the assessment acts, referenced in this proceeding, there must, by force of these rules, be a reimbursement of the amounts paid, whether as title of the tax paid, whether of the corresponding compensatory interest, as a way to achieve the reestablishment of the situation that would exist if the illegality had not been committed.

10 RIGHT TO COMPENSATORY INTEREST

The declaration of illegality and consequent annulment of an administrative act grants the recipient of the act the right to the reintegration of the situation in which the same would have found itself before the execution of the annulled act.
In the context of tax assessment, its annulment grants the taxpayer the right to restitution of the tax paid and, as a rule, the right to compensatory interest, in accordance with No. 1 of Article 43 of the LGT.
However, it has been the sanctioning understanding of the Superior Courts (Judgment of the STA of 22/05/2014, case No. 245/13), "the judicial annulment of a tax assessment based on the violation of the principle of participation, by the AT failing to take into account the elements provided by the taxpayer in the context of the exercise of prior hearing, does not imply the existence of any error as to the factual or legal presuppositions of the assessment act, and therefore there is no right to compensatory interest in favor of the taxpayer", provided for in No. 1 of Article 43 of the LGT.
Therefore, the Claimant does not have the right to compensatory interest on the amount of tax paid relating to the annulled assessment.

11 DECISION

In view of the foregoing, this Arbitral Tribunal decides:

To declare the claim for a declaration of illegality of the IUC assessment, relating to the years: 2009, 2010, 2011, 2012 and 2013 concerning the motor vehicles identified in the present proceeding, well-founded, thus annulling the corresponding tax acts;
To declare the claim for condemnation of the Tax Administration to reimbursement of the amount wrongfully paid, in the amount of 57,123.51 €, well-founded, condemning the Tax and Customs Authority to effect these payments.

VALUE OF THE PROCEEDING: In accordance with the provisions of Articles 306 No. 2 of the CPC and 97-A, No. 1 of the CPPT and Article 3, No. 2 of the Regulations of Costs in Tax Arbitration Proceedings, the proceeding is assigned a value of 57,123.51 €.

COSTS: In accordance with No. 4 of Article 22 of the RJAT, the amount of costs is set at 2,142.00 €, in accordance with Table I, attached to the Regulations of Costs in Tax Arbitration Proceedings, at the charge of the Tax and Customs Authority.

Notify the parties.

Lisbon, 14-01-2015

The Arbitrator

Maria de Fátima Alves

(The text of this decision was drawn up on computer, in accordance with Article 131, No. 5 of the Civil Procedure Code, applicable by referral of Article 29, No. 1 subparagraph e) of Decree-Law 10/2011, of January 20 (RJAT), its drafting being governed by current orthography)

Frequently Asked Questions

Automatically Created

Who is the taxable person for IUC when a vehicle has been sold but the registration was not updated?

According to Article 3(1) of the Single Circulation Tax Code (CIUC), the taxable person for IUC is whoever appears in the vehicle registration as the owner. This creates a legal presumption of tax liability based on registration records. However, this case challenges whether that presumption is absolute or can be overcome when the registered owner proves they sold the vehicle before the tax period through sales invoices. The claimant argued that registration serves only publicity purposes under DL 54/75, not as a determinant of ownership, while the Tax Authority maintained that registration creates the tax obligation regardless of actual ownership. The outcome depends on whether Portuguese tax law prioritizes administrative certainty through registration or substantive ownership for determining IUC liability.

Can a vehicle trading company challenge IUC assessments based on legal presumptions of ownership?

Yes, a vehicle trading company can challenge IUC assessments by arguing that legal presumptions of ownership based on registration should yield to proof of actual sale and transfer of ownership. The claimant in this case invoked Articles 132 and 99 et seq. of CPPT and Article 95 of LGT to request arbitration, submitting sales invoices as evidence that vehicles were sold before the relevant tax periods. The challenge is based on the argument that vehicle registration under DL 54/75 serves only publicity purposes and does not create substantive ownership rights or tax obligations. However, success depends on overcoming the Tax Authority's position that Article 3(1) CIUC establishes an objective criterion based on registration that ensures administrative efficiency and legal certainty in tax collection. The arbitral tribunal must weigh competing interpretations of subjective tax incidence rules.

What evidence is required to prove vehicle ownership transfer for IUC exemption purposes?

To prove vehicle ownership transfer for IUC exemption purposes, the claimant provided sales invoices showing vehicles were sold to third parties before the taxation periods. These invoices were attached to administrative complaints and incorporated into the proceeding. However, the case reveals a critical gap: Article 8-B of the Land Registry Code requires buyers to update vehicle registration, and it was unknown whether this occurred. This highlights that complete proof requires both: (1) documentary evidence of the sale transaction (invoices, contracts); and (2) evidence that buyers fulfilled their legal obligation to update registration, or alternatively, proof that the seller requested cancellation of registration. The failure to complete registration formalities creates the core dispute about whether documentary evidence of sale can overcome the legal presumption created by unchanged registration records.

How does the CAAD arbitration process work for disputes involving multiple years of IUC assessments?

The CAAD arbitration process for multiple-year IUC disputes follows the Tax Arbitration Legal Regime (RJAT - DL 10/2011). The claimant files a request under Articles 10 RJAT, 132 and 99 CPPT, and 95 LGT, identifying all contested assessment acts and years. The CAAD Ethics Council designates a sole arbitrator (Article 6(2)(a) and 11(1)(b) RJAT), who must be accepted by parties within the legal timeframe. Once accepted, the tribunal is formally constituted. The Tax Authority submits the administrative file and response. An Article 18 hearing is held where parties can agree to dispense with witness examination and oral arguments if the case involves primarily legal questions rather than factual disputes. The tribunal sets a deadline for the decision (in this case, extended to allow comprehensive analysis). Multiple years can be efficiently consolidated in one proceeding, avoiding duplicative litigation.

Are compensatory interest (juros indemnizatórios) available when IUC assessments are annulled by arbitral decision?

Yes, compensatory interest (juros indemnizatórios) is available when IUC assessments are annulled by arbitral decision. The claimant specifically requested reimbursement of €57,123.51 plus compensatory interest under Articles 43 of the General Tax Law (LGT) and 61 of the Tax Procedure and Process Code (CPPT). These provisions establish that when a taxpayer has paid taxes that are subsequently determined to be unlawful or undue, they are entitled not only to reimbursement of the principal amount but also to compensatory interest calculated from the date of payment until reimbursement. This compensates taxpayers for the financial cost of having funds improperly retained by the Tax Authority. The interest rate and calculation method are specified in the applicable legislation, ensuring taxpayers are made whole when administrative or arbitral proceedings determine assessments were invalid.

IUC Subjective Incidence: Vehicle Seller Not Liable After Sale – CAAD 448/2014-T

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