Process: 690/2014-T

Date: May 8, 2015

Tax Type: IUC

Source: Original CAAD Decision

Summary

This Portuguese tax arbitration case (Process 690/2014-T) addresses the critical issue of IUC (Imposto Único de Circulação - Single Circulation Tax) liability when vehicles have been sold but registration records remain unchanged. The claimant company challenged IUC assessments totaling €7,441.10 for four vehicles spanning 2009-2012, arguing they had sold all vehicles before the taxable events occurred - one to another company and three scrapped. The central legal dispute concerns whether Article 3(1) of the IUC Code establishes a rebuttable presumption or an irrebuttable legal fiction regarding tax liability. The claimant contended that vehicle registration has merely declarative effect for publicity purposes, and that they rebutted the ownership presumption with evidence of sales and scrapping. They argued the purchase and sale contract has real efficacy, making actual owners liable regardless of registration status. Conversely, the Portuguese Tax Authority maintained that the law creates a legal fiction using "are considered" language rather than "are presumed," making registered owners absolutely liable for IUC. The Tax Authority emphasized that the claimant's failure to update registrations or cancel vehicle registrations triggered their tax liability, and challenged the sufficiency of the claimant's evidence, noting invoices are unilateral documents insufficient to prove sales, and that the claimant failed to demonstrate payment receipt, registry declarations, or proper cancellation requests. The tribunal examined witnesses and documentary evidence. This case highlights fundamental tensions between civil law ownership principles and tax law administrative requirements, with significant implications for vehicle lessors, dealers, and companies that frequently dispose of vehicles. The decision would clarify whether proper documentation of vehicle disposal suffices to avoid IUC liability or whether formal registry updates are mandatory prerequisites.

Full Decision

ARBITRAL DECISION

I. REPORT

A…, S.A., a company with registered office in …, …-… …, …, holder of the sole registration and identification number for a legal entity …, hereinafter simply designated as the Claimant, filed a request for constitution of an arbitral tribunal in tax matters and a request for arbitral decision, pursuant to the provisions of paragraph a) of paragraph 1 of article 2 and of paragraph a) of paragraph 1 of article 10, both of Decree-Law no. 10/2011, of 20 January (Legal Regime of Arbitration in Tax Matters, hereinafter abbreviated as RJAT), requesting the declaration of illegality and the consequent annulment of the assessment acts for Single Circulation Tax (IUC) and compensatory interest relating to motor vehicles with registrations …-…-…, …-…-…, …-…-… and …-…-…, the first two relating to the years 2009 to 2011 and the last two relating to the years 2009 to 2012, in the total amount of € 7,441.10, as well as the condemnation of the Revenue Authority (AT) to reimburse said amount to the Claimant.

To substantiate its request, it alleges, in summary:

a) On the date of occurrence of the taxable event in question in the present proceedings, the Claimant was not the owner of the motor vehicles on which the tax was levied, which had already been sold;

b) The vehicle with registration …-…-… was sold to the company "B…BV";

c) The vehicles with registrations …-…-…, …-…-… and ...-...-… were sold and delivered for scrap, having ceased to have material existence and the Claimant having no power whatsoever over them;

d) The purchase and sale contract has real efficacy;

e) The Revenue Authority proceeded with IUC assessments because the Claimant still appeared as the owner of the vehicles in the motor vehicle registry;

f) The registration of motor vehicle ownership has a merely declarative character, aimed only at giving publicity to legal facts;

g) The Revenue Authority does not consider itself a third party for registry purposes;

h) Under article 3 of the IUC Code, the passive subjects of the tax are the owners of the vehicles;

i) Paragraph 1 of article 3 of the IUC Code contains a rebuttable presumption;

j) Thus, the passive subject of IUC is the owner, even if not appearing in the motor vehicle registry, provided that sufficient proof is presented to rebut the legal presumption arising from the registry.

k) The Claimant succeeded in rebutting this presumption, and therefore is not a passive subject of IUC.

The Claimant filed 27 documents and called three witnesses.

In the request for arbitral decision, the Claimant chose not to appoint an arbitrator, wherefore, in accordance with the provisions of article 6, paragraph 1 of the RJAT, the undersigned was appointed by the Deontological Council of the Administrative Arbitration Centre, the appointment being accepted in the manner legally provided.

The arbitral tribunal was constituted on 24 November 2014.

Notified in the terms and for the purposes of the provisions of article 17 of the RJAT, the Respondent filed its reply, alleging, in summary, the following:

a) The legislator expressly and intentionally established that the passive subjects of IUC are the owners, being considered as such the persons in whose names the vehicles are registered;

b) Article 3 of the IUC Code does not establish any presumption of ownership, but rather a true fiction of ownership – the legislator does not say that owners are presumed, rather that they are considered owners;

c) The failure to inscribe the changes of ownership in the registry has the consequence that the obligation to pay IUC falls on the registered owner, and the Revenue Authority cannot assess the tax on the basis of elements that do not appear in the registry;

d) IUC is owed by the persons who appear in the registry as owners of the vehicles;

e) The invoice is not apt to prove the conclusion of a purchase and sale contract, being a document issued unilaterally;

f) The Claimant did not prove receipt of the purchase price, the declaration for registry of ownership, and the request for cancellation of registration in relation to any of the vehicles;

g) The documents filed by the Claimant under nos. 8 and 9, to prove the sale of the vehicles with registrations …-…-… and …-…-…, do not identify the vehicles in question, merely referring to an attached document, which is nothing more than a mere internal document;

h) The failure to comply with the obligation to update the registries and cancel the registrations of the vehicles makes the Claimant liable for the arbitration costs.

The Respondent filed a copy of the administrative file and did not call any witnesses.

Given the position assumed by the parties and in the absence of necessity for the meeting referred to in article 18 of the RJAT, the same was waived, and a date was set for examination of witnesses.

On 03/03/2015 the examination of witnesses took place, with all the witnesses called being questioned and the corresponding oral arguments being made by the representatives of the parties.

II. QUESTIONS TO BE DECIDED

Given the positions assumed by the Parties, set out in the arguments presented, it is necessary to:

a. Determine whether the rule of subjective incidence provided for in article 3, paragraph 1 of the IUC Code establishes a rebuttable presumption or, instead, a legal fiction, incapable of being rebutted by contrary proof;

b. Ascertain who is the passive subject of IUC when, on the date of occurrence of the taxable event, the motor vehicles have already been disposed of;

c. Ascertain what is the legal value of motor vehicle registration for the purposes of IUC, particularly for the purposes of subjective incidence of the tax;

d. Determine whether the failure to update motor vehicle registration allows the persons in whose names the vehicles are registered to be considered as passive subjects of IUC;

e. Ascertain whether the invoices filed by the Claimant are or are not apt to prove the alleged disposal of the vehicles.

III. MATTERS OF FACT

a. Proven Facts

With relevance for the decision to be rendered in the present proceedings, the following facts were found to be proven:

  1. The Claimant was notified of the assessments of IUC and compensatory interest relating to vehicles with registrations …-…-…, …-…-…, ...-…-… and …-…-…, the first two relating to the years 2009 to 2011 and the last two relating to the years 2009 to 2012, in the total amount of € 7,441.10;

  2. The deadline for payment of all assessments was 21/11/2013;

  3. None of the four vehicles to which the assessments now questioned relate belong to categories F or G, referred to in article 4 of the IUC Code;

  4. The vehicle with registration …-…-… was sold to the company "B… BV";

  5. The vehicles with registrations …-…-…, …-…-… and …-…-… were dismantled by the Claimant and sold as scrap;

  6. It was not the practice of the Claimant to issue delivery notes, nor to proceed with the cancellation of registrations;

  7. On 13/02/2014, the Claimant filed an administrative objection relating to all the assessments now contested;

  8. By letter dated 01/04/2014, the Claimant was notified of the decision to reject the administrative objection filed;

  9. On 07/05/2014, the Claimant filed a hierarchical appeal against the decision rejecting the administrative objection;

  10. The request for constitution of the arbitral tribunal in tax matters and for arbitral decision was filed on 24/09/2014;

  11. On the date of occurrence of the taxable event, all the vehicles to which the assessments now contested relate had been sold by the Claimant;

  12. The Claimant paid the taxes and compensatory interest assessed by the Respondent and reflected in the assessments now contested.

b. Facts Not Proven

With relevance for the decision, no other fact was proven.

c. Substantiation of Matters of Fact

The conviction regarding the facts found to be proven was formed on the basis of the documentary evidence filed by the Claimant as well as the testimonial evidence produced and the matters alleged and not contested contained in the petitions filed with the proceedings.

For the proof of the facts contained in points 4 and 5 of the matters of fact proven, the tribunal took into account the testimony given by the witnesses C…, D… and E…, who, testifying clearly and correctly, with manifest impartiality and objectivity, revealed full and direct knowledge of the facts in question, confirming them.

IV. PROCEDURAL SANITATION

The Arbitral Tribunal is properly constituted and materially competent.

The parties have legal personality and capacity, are legitimate, and are properly represented.

The proceedings are not affected by any defects that would affect their validity.

V. ON THE LAW

With the facts established, it is now necessary, by reference thereto, to ascertain the applicable law.

Having analyzed the arguments presented by the Parties, it is readily apparent that the fundamental issue lies in the interpretation of the rule contained in paragraph 1 of article 3 of the IUC Code and, more specifically, in determining whether or not it contains a legal presumption. This question, as has moreover been emphasized in other decisions, has given rise to extensive jurisprudence – including arbitral – which will be addressed here opportunely.

Under the heading "subjective incidence," article 3 of the IUC Code provides that:

"1. The passive subjects of the tax are the owners of the vehicles, being considered as such the natural or legal persons, of public or private law, in whose names the same are registered."

Now, to dispel doubts about the meaning and scope to be attributed to a given legal rule implies carrying out an interpretive task that permits drawing from the linguistic statement a concrete meaning or "content of thought"([1]). However, such a task can only be accomplished – thus achieving an understanding of the vis ac potestas legis – through the use of a concrete method, which is based on literal interpretation, on the one hand, and on logical or rational interpretation, on the other.

It should be recalled that, in accordance with the provisions of paragraph 1 of article 11 of the General Tax Law, tax rules are interpreted in accordance with the principles of legal hermeneutics commonly accepted, particularly those established, among us, in article 9 of the Civil Code. Let us proceed.

Literal interpretation thus presents itself as the first stage of interpretive activity. As FERRARA states, "the text of the law forms the substrate from which the interpreter must depart and upon which it must rest"([2]).

In truth, since the law is expressed in words, the verbal significance they contain must be extracted from them, according to their natural connection and the rules of grammar. However, where the words employed by the Legislator are equivocal or indeterminate, it will be necessary to resort to logical interpretation, which attends to the spirit of the provision to be interpreted.

Logical interpretation, as has been peacefully understood by legal doctrine([3]), is based on the rational element, the systematic element, and the historical element; weighing them and deducing from them the value of the legal rule in question.

By rational element is to be understood the raison d'être of the legal rule, that is, the purpose for which the legislator instituted it. The discovery of the ratio legis thus presents itself as a factor of undoubted importance for the determination of the meaning of the rule.

It happens, however, that a given rule does not exist in isolation, but rather coexists with other rules and legal principles in a systematic and complex manner. Thus, it becomes natural that the meaning of a concrete rule results clearly from comparison with the others. As BAPTISTA MACHADO states, "this element comprises the consideration of the other provisions that form the complex of norms of the institute in which the rule to be interpreted is integrated, that is, that regulate the same matter (context of the law), as well as the consideration of legal provisions that regulate parallel normative problems or related institutes (parallel places). It further comprises the systematic place that the rule to be interpreted occupies in the overall legal order, as well as its consonance with the spirit or intrinsic unity of the entire legal order."([4]).

The historical element, in turn, is to be understood as referring to and including materials connected with the history of the rule, such as "the evolutionary history of the institute, the figure or the legal regime in question (…); the so-called sources of the law, that is, the legal or doctrinal texts that inspired the legislator in the elaboration of the law (…); the preparatory works.".

Let us then apply what has been said to the case at hand.

Having examined the arguments of the Claimant and Respondent, and as regards the literal element, it is readily apparent that the focus of dissent lies in the expression "(…) being considered as such (…)," contained in paragraph 1 of article 3 of the IUC Code.

The question is posed – as was indeed done in the Arbitral Decision rendered in the context of Proceeding no. 73/2013-T([5]): "Does the fact that the legislator opted for the word 'being considered' destroy the possibility that we are dealing with a presumption?" No. This is the answer that, we believe, is necessary. And let no one say that such a conclusion is undermined by the circumstance that the legislator did not use the word "are presumed," which was employed in the old Regulation on Vehicle Tax.

Also here we cannot fail to emphasize what was stated in that decision: "examining the Portuguese legal order, we find innumerable norms that establish presumptions using the verb 'to consider,' many of which are employed in the gerund ('considering' or even 'being considered'). Examples of this are the norms enumerated below: In the Civil Code, among others, articles 314, 369 paragraph 2, 374 paragraph 1, 376 paragraph 2, 1629 (…). Also in the tax legal order one can find the verb 'to consider,' namely the term 'is considered' with a presumptive sense. And there is added the teaching of LEITE DE CAMPOS, SILVA RODRIGUES and LOPES DE SOUSA, which, for the clarity of exposition, is equally transcribed here. Thus, the Authors write that 'presumptions in tax incidence matters may be explicit, revealed by the use of the expression "is presumed" or similar (…). However, presumptions may also be implicit in incidence norms, particularly objective incidence norms, when certain values of movable or immovable property are considered as constituting taxable matter, in situations in which it is not unfeasible to ascertain the real value.'"

On this matter, JORGE LOPES DE SOUSA([6]) notes that in paragraph 1 of article 40 of the IRS Code the expression "is presumed" is used, whereas in paragraph 2 of article 46 of the same statute the word "is considered" is used, there being no difference between one and the other expression, both meaning, after all, the same thing: a legal presumption.

Thus, and insofar as is of interest to us here, it is admissible to assimilate the verb "to consider" to the verb "to presume." In effect, we may be dealing with a presumption even when the legislator has opted for other verbs, particularly the verb "to consider." In truth, and contrary to what is argued by the Respondent, this is the conclusion that least impairs the systematic coherence postulated by the legal order as a whole.

But further: the rational element also authorizes such a conclusion.

Let us invoke the statement of reasons of Bill no. 118/X, of 07/03/2007, which gave rise to Law no. 22-A/2007, of 29 June, from which the ratio legis emerges clearly.

It was intended to undertake a "comprehensive and coherent reform of taxes linked to the acquisition and ownership of motor vehicles" based on the "imperative need to bring clarity and coherence to this area of the tax system and the still more imperative need to subordinate it to the principles and concerns of an environmental and energy nature that nowadays mark the discussion of motor vehicle taxation."

Thus, "the two new taxes that are now being created, the tax on vehicles and the single circulation tax, constitute much more than the technical continuation of the figures created in the 70s and 80s that preceded them, turned predominantly toward revenue generation, indifferent to the social cost resulting from motor vehicle circulation. They constitute something different, figures already of the century in which we live, with which it is certainly intended to generate public revenue, but to generate it in the measure of the cost that each individual causes to the community."

In a manner congruent with that motivation, the legislator came to establish, in article 1 of the IUC Code, the principle of equivalence, making it clear "that the tax, in its entirety, is subordinated to the idea that taxpayers should be burdened in the measure of the cost they cause to the environment and the road network, and this is the reason for being of this tax figure. It is this principle that dictates the taxation of vehicles as a function of their respective ownership and until the moment of scrapping."

One may indeed say that environmental and energy concerns are so impressive in the context of IUC that the principle of equivalence shapes not only the tax base, but also, and above all, the very subjective incidence, provided for in article 3.

Once again the Arbitral Decision rendered in the context of Proceeding no. 73/2013-T is invoked: "Taking into account both the systematic place that the principle of equivalence occupies (article 1 of the IUC Code) – systematic element – as well as the historical element embodied in Bill no. 118/X (source of law), as well as the rational (or teleological) element just analyzed, all point in the direction of the preliminary conclusion we reached when analyzing the grammatical element, making sense in the context of article 3 of the IUC Code to conceive the expression 'being considered as such' as revealing the presence of a rebuttable presumption (…). In truth, the ratio legis of the tax rather points in the direction of taxing the users of vehicles, the economic owner, in the words of DIOGO LEITE DE CAMPOS, the actual owners or financial lessees, as these are the ones who have the polluting potential causing environmental costs to the community."

Having established the legal nature of the rule contained in paragraph 1 of article 3 of the IUC Code, it is now necessary to clarify the question of subjective incidence of the tax when the vehicle, on the date of occurrence of the taxable event, has already been disposed of.

Upon conclusion of the purchase and sale contract, the purchaser shall be instituted, ex contractu, in the position of owner, consequently becoming subject to the application of paragraph 1 of article 3 of the IUC Code; that is, the new owner comes to hold, for purposes of IUC, the position of passive subject of the tax.

And such a solution is necessary from the moment of the perfection of the purchase and sale contract not only because the IUC Code determines it – by stating that the passive subjects of the tax are the owners – but also because the principle of consensuality prevails among us, which means that the transfer of ownership occurs by the mere effect of the contract; as results in the first instance from paragraph 1 of article 408 of the Civil Code. See also, reinforcing what is said above, paragraph a) of article 879 of that statute.

It should be noted that the understanding set out in the preceding paragraph is unanimously advocated by Legal Doctrine([7]) and Jurisprudence([8]), requiring no additional development.

And what has been said is relevant to sustain our position regarding the legal value of motor vehicle registration. Let it be recalled, however, that in accordance with the general rule seen above the transfer of the right occurs ex contractu, without need of any material act or formality([9]).

As is peacefully accepted by Doctrine and Jurisprudence, in the face of the silence of Decree-Law no. 54/75, of 12 February, on the question of the legal value of motor vehicle registration, it becomes necessary to resort to the discipline of land registration; an operation moreover authorized by article 29 of that Decree-Law.

Now, taking into account the Land Registry Code – approved by Decree-Law no. 125/13, of 30 August – particularly its article 7, and combining this rule with article 1 of Decree-Law no. 54/75, it is quickly inferred that the primary function of the registry (motor vehicle): to give publicity to the legal situation of motor vehicles.

It may thus be stated that the registry does not have a constitutive nature, but rather merely declarative, permitting only the presumption of the existence of the right and its ownership. Note: presume and not fiction, such presumption thus being capable of being rebutted by contrary proof.

And this is so precisely because, pursuant to the provisions of article 408 of the Civil Code, and save for the exceptions provided by law, the constitution or transfer of real rights over a determined thing occurs by the mere effect of the contract, its validity not depending on any subsequent act, e.g., registration in the registry.

Accordingly, as the law provides no exception for the contract of purchase and sale of a motor vehicle, the real efficacy produces its normal effects, the purchaser becoming its owner, independently of the registry.

Now, if independently of the registry the purchaser becomes the owner, the registered holder ceases concomitantly to be so; notwithstanding that he appears as such in the registry.

In the case at hand, and notwithstanding the failure to inscribe in the registry, the transfers effected are opposable to the Respondent, this latter not being able to avail itself of the provisions of paragraph 1 of article 5 of the Land Registry Code.

Above all because the Respondent is not, for the purposes of the provisions of that rule, to be considered a third party for registry purposes.

The notion of third parties for registry purposes is given to us in paragraph 4 of the same article 5: third parties, for registry purposes, are those who have acquired from a common author incompatible rights; from which it must necessarily be inferred that this is, manifestly, not the case in the present proceedings.

Now, although at the time of the tax assessments the Claimant still appeared in the registry as the owner of the vehicles, the truth is that it alleges that it was not, on the date of occurrence of the taxable event, the owner thereof, as it had already disposed of them.

Thus, and since the presumption resulting from the registry is, as we have seen, rebuttable, let us see whether the documents filed by the Claimant are apt to accomplish such purpose.

With a view to proving that the vehicles referred to in the present proceedings were disposed of by it on a date prior to the occurrence of the taxable event, the Claimant filed, for each of the four vehicles, the respective sales invoices, accompanied by the respective bank account statements of the customers who proceeded with their purchase.

Note, however, that the invoice filed with the proceedings to prove the sale of the vehicles with registrations …-…-… and …-…-…, does not identify the vehicles disposed of, merely referring to an annex concerning the equipment intended for scrapping.

Let us then examine what the probative value of the invoices filed by the Claimant is.

As already stated, the Claimant filed, for the four motor vehicles in question, sales invoices. On the other hand, as results from the proven facts, none of the vehicles in question in the present proceedings belongs to categories F or G referred to in article 4 of the IUC Code, so that the taxable event occurs on the date of their respective registration or on each of their anniversaries.

On this matter, the Respondent invokes that "an invoice is not apt to prove the conclusion of a bilateral contract such as a purchase and sale, since that document does not by itself reveal an essential and unequivocal declaration of will (i.e., acceptance) on the part of the alleged purchaser," so that being a "private and unilateral document, it is not per se a sufficient and suitable means of proof to prove a purchase and sale."

Adding that "there are many cases of issuance of invoices concerning transfers of goods and/or provision of services that never came to be realized."

It is true, as the Respondent argues, that many situations exist in which invoices do not give title to any legal transaction. In the case at hand, however, no element permits forming the conviction that the invoices filed do not give title to any transaction, and it is certain that their falsity was not even argued by the Respondent, which merely invoked the existence of various such situations, without specifically referring to the fact that the situation in the present case fell within such circumstances.

In this manner, and in the absence of any elements that would permit concluding otherwise, the truthfulness of the documents filed is naturally accepted.

Having established the truthfulness of the invoices filed by the Claimant, as well as their content, we must consider that for the vehicles with registrations …-…-… and ...-…-…, without need of any other inquiries, these are documents apt to prove the disposal of the vehicles in question.

In effect, as the law provides no specific form for the conclusion of a contract of purchase and sale of a movable, it must necessarily be accepted as proof of said contract the invoice issued in accordance with the law.

We thus hold that on the date of occurrence of the taxable event (date of registration or each of its anniversaries) the Claimant had already disposed of all the vehicles, notwithstanding that said disposals were not reflected in the competent registry.

Wherefore, as regards these vehicles in relation to which a sales invoice was filed with the respective identification of the disposed vehicles, we understand that the proof filed by the Claimant is sufficient to demonstrate that, on the date of occurrence of the taxable event, the Claimant was not the passive subject of the tax.

As for proof of the sale of the vehicles with registrations …-…-… and …-…-…, although the sales invoice filed as document number 8 does not directly identify the disposed vehicles, relegating such identification to an annex, the fact remains that from the testimonial evidence produced (particularly from the testimony of witnesses C… and D…) it became clear that such vehicles were sold for scrap and dismantled.

It is thus considered that proof equally sufficient of the disposal of these vehicles has been produced.

Thus, in view of the fact that the presumption resulting from the registry is rebuttable by contrary proof – proof that is considered accomplished through the presentation of the sales invoices, as well as the testimony given by the witnesses – and given that it is verified that, regarding the vehicles in question, the Claimant is not their owner on the date of occurrence of the taxable event, it becomes necessary to conclude that the Claimant cannot be considered a passive subject of the IUC assessed.

In sum:

· The rule contained in paragraph 1 of article 3 of the IUC Code contains a presumption;

· That presumption being contained in a rule of tax incidence, it will always admit proof to the contrary, as results from article 73 of the General Tax Law;

· When, on the date of occurrence of the taxable event, the motor vehicle has already been disposed of, although the right of ownership remains registered in the name of the original owner, the passive subject of IUC is the new owner, provided that the latter rebuts the presumption arising from the registry;

· The transfer of ownership occurs by the mere effect of the contract, requiring no subsequent act;

· Motor vehicle registration does not have a constitutive nature, but rather aims to give publicity to the situation of vehicles through presumptions, which are rebuttable, of the existence of the right and its respective ownership;

· The Revenue Authority cannot rely on the absence of updating the registry to, questioning the efficacy of purchase and sale contracts, attribute to the original owner the quality of passive subject of IUC and thus require from him the compliance with the obligation to pay the tax.

VI. OPERATIVE PART

In light of the foregoing, it is decided:

a. That the request for annulment of the IUC assessment acts contested is granted, with all the legal consequences;

b. The Respondent is condemned to proceed with reimbursement to the Claimant of the amount incorrectly paid, in the total amount of € 7,441.10.

The value of the proceedings is fixed at € 7,441.10 in accordance with the provisions of paragraph a) of paragraph 1 of article 97-A of the Code of Tax Procedure and Process, applicable by virtue of paragraphs a) and b) of paragraph 1 of article 29 of the RJAT and of paragraph 2 of article 3 of the Regulation on Costs in Tax Arbitration Proceedings.

The value of the arbitration fee is fixed at € 612.00, in accordance with Table I of the Regulation on Costs in Tax Arbitration Proceedings, as well as paragraph 2 of article 12 and paragraph 4 of article 22, both of the RJAT, and paragraph 4 of article 4 of the aforementioned Regulation, to be paid by the Respondent as the unsuccessful party.

Register and notify.

Lisbon, 08 May 2015.

The Arbitrator,

Alberto Amorim Pereira

Text prepared by computer, in accordance with paragraph 5 of article 131 of the Code of Civil Procedure, applicable by reference in paragraph e) of paragraph 1 of Decree-Law no. 10/2011, of 20/01.

The preparation of this decision is governed by the old orthography.

([1]) Cf. BAPTISTA MACHADO, JOÃO, Introduction to Law and the Legitimizing Discourse, Almedina, 1982, p. 175.

([2]) FERRARA, FRANCESCO, Interpretation and Application of Laws, 1921, Rome; Translation by MANUEL DE ANDRADE, Arménio Amado, Publisher, Successor – Coimbra, 2nd Edition, 1963, p. 138 et seq.

([3]) See, for all, BAPTISTA MACHADO, JOÃO, op. cit., p. 181.

([4]) BAPTISTA MACHADO, JOÃO, op. cit., p. 183.

([5]) Cf. Arbitral Decision of 5 December 2013, rendered in the context of Proceeding no. 73/2013, p. 21.

([6]) Cf. LOPES DE SOUSA, JORGE, Code of Tax Procedure and Process Annotated and Commented, Vol. I, 6th Edition, Áreas Editora, Lisbon, 2011, p. 589.

([7]) See, for all, PIRES DE LIMA and ANTUNES VARELA, Annotated Civil Code, Volumes I and II, Coimbra Editora, 4th Revised and Updated Edition, Annotations to articles 408 and 79.

([8]) See, inter alios, Judgment of the Supreme Court of Justice of 3 March 1998.

([9]) Cf. EWALD HÖRSTER, HEINRICH, The General Part of the Portuguese Civil Code, Almedina, 2nd Reprint of the 1992 Edition, p. 467.

Frequently Asked Questions

Automatically Created

Who is the taxable person for IUC (Imposto Único de Circulação) when a vehicle has been sold but the registration has not been updated?
Under Article 3 of the Portuguese IUC Code, the taxable person is the registered owner appearing in the automobile registry on the taxable event date. The central legal debate is whether this creates a rebuttable presumption or an irrebuttable legal fiction. The Tax Authority's position is that registered owners are liable for IUC regardless of actual ownership status, as the law states they "are considered" owners rather than "are presumed" owners. This means that even if a vehicle has been sold, the person whose name remains on the registration continues to be liable for IUC until the registration is formally updated or cancelled. The practical consequence is that sellers who fail to ensure proper registration updates remain exposed to IUC assessments for vehicles they no longer own.
Can the legal presumption of vehicle ownership based on the automobile registry be rebutted for IUC purposes?
The rebuttability of the ownership presumption is the core dispute in this case. The claimant argues that Article 3(1) of the IUC Code establishes a rebuttable presumption that can be overcome with sufficient proof of actual ownership transfer through valid sale contracts, delivery, and payment. They contend that registration serves merely declarative purposes for publicity, not constitutive effect. However, the Tax Authority maintains that the provision creates an irrebuttable legal fiction - the legislator deliberately chose "are considered" language to establish absolute liability for registered owners regardless of contrary evidence. Under this interpretation, the registry conclusively determines tax liability, and the Tax Authority cannot assess IUC based on ownership elements not appearing in official registration records. The tribunal's final determination on this interpretive question would establish whether taxpayers can challenge IUC assessments with proof of disposal or whether registration updates are absolutely required.
What evidence is required to prove that a vehicle was sold or scrapped to challenge an IUC tax assessment?
The Tax Authority's objections in this case illuminate evidentiary requirements for proving vehicle disposal. Mere invoices are insufficient as they are unilateral documents that do not conclusively prove sale contract formation. Comprehensive evidence should include: (1) properly executed purchase and sale contracts with identified parties, vehicles, and terms; (2) proof of payment receipt demonstrating consideration was exchanged; (3) formal declarations for registry of ownership transfer submitted to automobile registration authorities; (4) requests for cancellation of registration where applicable; (5) delivery notes or transfer documentation; and (6) for scrapped vehicles, official certificates from authorized dismantling facilities confirming destruction. The Tax Authority specifically challenged documents that failed to properly identify the vehicles in question or consisted merely of internal company records. The case demonstrates that taxpayers bear the burden of maintaining comprehensive documentation chains evidencing disposal, and that failure to complete formal administrative procedures (registration updates and cancellations) significantly undermines their position even when actual disposal occurred.
Does the Portuguese automobile registration have constitutive or merely declarative effect for IUC tax liability?
This case presents competing theories of registration effect for IUC purposes. Under civil law principles, the claimant argues that automobile registration has merely declarative effect - it publicizes legal facts and ownership changes but does not create or constitute ownership rights. Ownership transfers upon contract formation and delivery (real efficacy), with registration serving only publicity functions. The Tax Authority does not necessarily dispute this for general civil law purposes but argues it is irrelevant for tax law. For IUC specifically, they contend registration has constitutive effect - it determines and creates tax liability regardless of underlying civil ownership. This reflects administrative law principles requiring tax authorities to rely on official, verifiable records rather than investigating actual ownership in each case. The Tax Authority position suggests that even if registration is declarative for civil disputes between private parties, it functions constitutively for determining the tax debtor in IUC assessments. This interpretation prioritizes administrative efficiency and legal certainty over substantive ownership accuracy.
What is the procedure to challenge IUC tax assessments through CAAD tax arbitration in Portugal?
The procedural pathway demonstrated in this case follows Portugal's mandatory administrative pre-litigation requirements before accessing tax arbitration. First, upon receiving IUC assessment notifications, taxpayers must file a reclamação graciosa (administrative objection) with the Tax Authority within the legal deadline - here filed on 13/02/2014. Second, if the administrative objection is rejected (as occurred by decision dated 01/04/2014), taxpayers may file a recurso hierárquico (hierarchical appeal) to a superior administrative authority - filed here on 07/05/2014. Third, after exhausting administrative remedies or if seeking an alternative to judicial courts, taxpayers may file a request for constitution of an arbitral tribunal with CAAD (Centro de Arbitragem Administrativa) under the RJAT (Legal Regime of Arbitration in Tax Matters, Decree-Law 10/2011) - filed here on 24/09/2014. The request must specify legal grounds for challenging the assessments. Upon acceptance, an arbitrator is appointed (by the Deontological Council if parties don't agree), the tribunal is constituted, parties submit written arguments and evidence, witness examinations may occur, and a binding arbitral decision is rendered. Arbitration provides a faster, specialized alternative to traditional tax courts for resolving IUC and other Portuguese tax disputes.