Process: 311/2016-T

Date: March 13, 2017

Tax Type: IRC

Source: Original CAAD Decision

Summary

CAAD Arbitral Decision 311/2016-T addresses critical questions regarding IRC (Corporate Income Tax) deductions and the interplay between international double taxation conventions and Portuguese domestic tax law. The case, brought by A… SGPS, S.A., challenged the Tax Authority's rejection of IRC self-assessment claims for fiscal year 2012, specifically concerning foreign tax credits under the Portugal-Cape Verde Double Taxation Convention. The central legal issue involves whether Article 23(1)(a) of the Treaty Portugal/Cape Verde prevails over CIRC provisions when calculating foreign tax credits for international double taxation relief. Additionally, the tribunal examined Article 92 of CIRC, which governs limitations on tax benefits, particularly regarding the deductibility of autonomous taxation (tributações autónomas) and state surcharge (derrama estadual) when RFAI tax benefits apply. The decision clarifies that double taxation conventions, as international treaties ratified under Article 8(2) of the Portuguese Constitution, take precedence over domestic tax law in calculating foreign tax credits. The tribunal analyzed how RFAI benefits interact with IRC deductions, establishing that Article 92 CIRC imposes specific restrictions preventing certain deductions when taxpayers benefit from reduced IRC rates or exemptions. The arbitral process under Decree-Law 10/2011 demonstrates how taxpayers can challenge Tax Authority decisions through CAAD, with a three-arbitrator panel examining complex corporate tax matters including settlement statements, account adjustments, and reimbursement claims. This ruling provides essential guidance for tax professionals handling international taxation, SGPS holding companies, and corporate groups navigating Portuguese IRC compliance and double taxation relief mechanisms.

Full Decision

I'll provide the complete English translation. Given the length, I'll present it directly:

ARBITRAL DECISION

The arbitrators Fernanda Maçãs (President Arbitrator), Dr. António Martins and Dr.ª Manuela Roseiro agree as follows:

I. REPORT

  1. A…, SGPS, S.A. (which was also previously named "B…, SGPS, S.A." and "C…, SGPS, S.A."), Tax ID…, with registered office at Rua…, No.…, …, …-… Lisbon ("Claimant" or "A…"), located within the territorial scope of the Tax Authority of Lisbon…, came, pursuant to Articles 2 and 10 et seq. of Decree-Law No. 10/2011, of 20 January, in its capacity as the dominant company of a Group of companies, to present a request for arbitral pronouncement against the rejection of the claim it had presented against (i) the self-assessment of Corporate Income Tax (IRC) for the fiscal year 2012, (ii) the IRC settlement statement No. 2015… – with a reimbursable amount of € 192,353.12 – and the accounts adjustment statement No. 2015…, as well as the IRC settlement statement No. 2014… and the accounts adjustment statement No. 2015….

  2. 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 28-06-2016.

2.1. In the exercise of the option of arbitrator designation provided in paragraph b) of Article 6(2) of RJAT and in compliance with the provisions of paragraph g) of Article 10(2) and Article 11(2) of the same diploma, the Claimant designated as Arbitrator Prof. Doctor Martins.

2.2. Pursuant to the provisions of paragraph b) of Article 6(2) and Article 11(3) of RJAT, and within the deadline provided in Article 13(1) of RJAT, the head of the Tax and Customs Authority service ("TA") designated as Arbitrator Prof. Doctor João Ricardo Catarino.

2.3. In accordance with Articles 11(5) and 11(6) of RJAT, the President of CAAD notified the Claimant of the Arbitrator designation by the head of the Tax Administration service on 05-08-2016 and notified the arbitrators designated by the parties to designate the third arbitrator who assumes the quality of President Arbitrator, and the Honorable Arbitrators designated by the parties agreed, on 29-08-2016, on the designation of Councilor Maria Fernanda dos Santos Maçãs as President Arbitrator.

2.4. On 29-08-2016, the President of CAAD informed the Parties of this designation, pursuant to and for the purposes of Article 11(7) of RJAT.

2.5. In compliance with the provisions of Article 11(7) of RJAT, the Collective Arbitral Tribunal was constituted on 13-12-2016.

2.6. By resignation of Arbitrator Prof. Doctor João Ricardo Catarino, the Tax Authority designated as substitute Dr.ª Manuela Roseiro.

2.7. Accordingly, the Arbitral Tribunal is duly constituted to consider and decide the subject matter of the case.

  1. To support the request for arbitral pronouncement, the Claimant alleges, in summary, the following:

a) That it cannot accept the correction to the foreign tax credit for international double taxation in the amount of € 1,503.64, effected by the TA, because "the Convention between the Republic of Cape Verde and the Portuguese Republic for the Avoidance of Double Taxation in the Matter of Taxes on Income and the Prevention of Tax Evasion[1] (Treaty Portugal/Cape Verde) must prevail over the CIRC and (ii) what is the method of calculation of the foreign tax credit for international double taxation – which precisely aims to mitigate and/or eliminate international legal double taxation – enshrined in Article 23, No. 1, paragraph a) of the Treaty Portugal/Cape Verde.", pursuant to Article 8(2) of the Constitution of the Portuguese Republic.

b) This same was recognized by the TA in Circular Order No. 31051, of 28/05/1998.

c) Article 23, No. 1, paragraph a) of the Treaty Portugal/Cape Verde establishes that: «When a resident of a Contracting State obtains income which, in accordance with the provisions of this Convention, may be taxed in the other Contracting State, the first State shall deduct from the tax on income of that resident an amount equal to the tax on income paid in that other State. However, the amount deducted shall not exceed the portion of the tax on income, calculated before the deduction, corresponding to the income that may be taxed in that other State» (emphasis added).

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Frequently Asked Questions

Automatically Created

What is the role of double taxation conventions in calculating IRC tax credits for international income under Portuguese law?
Double taxation conventions play a paramount role in calculating IRC tax credits for international income under Portuguese law. According to Article 8(2) of the Portuguese Constitution, international treaties and conventions ratified by Portugal prevail over domestic legislation. When calculating foreign tax credits for income taxed in both Portugal and another treaty country (such as Cape Verde), Article 23 of the applicable double taxation convention takes precedence over CIRC provisions. The convention method allows Portuguese residents to deduct from their Portuguese IRC liability an amount equal to the foreign tax paid, limited to the portion of Portuguese tax corresponding to that foreign-sourced income. This ensures elimination or mitigation of international legal double taxation, as recognized by Tax Authority Circular Order 31051/1998. The treaty-based calculation method supersedes any conflicting domestic CIRC rules regarding foreign tax credit computation.
How does the RFAI (Regime Fiscal de Apoio ao Investimento) interact with IRC collection deductions and autonomous taxation?
The RFAI (Regime Fiscal de Apoio ao Investimento - Tax Regime for Investment Support) significantly impacts IRC deductions and autonomous taxation through the restrictions imposed by Article 92 of CIRC. When companies benefit from RFAI incentives—such as reduced IRC rates, exemptions, or tax credits for qualified investments—Article 92 limits their ability to claim certain deductions. Specifically, taxpayers enjoying RFAI benefits cannot simultaneously deduct autonomous taxation amounts or state surcharge from their IRC liability when determining the net tax due. This anti-accumulation rule prevents double-dipping: companies cannot combine multiple tax advantages by both receiving RFAI benefits and deducting additional amounts for autonomous taxation. The interaction ensures that fiscal incentives remain within controlled budgetary limits and prevents excessive tax relief that would undermine IRC collection objectives.
What limitations does Article 92 of the CIRC impose on tax benefits and deductions to corporate income tax?
Article 92 of the CIRC imposes critical limitations on tax benefits and deductions to corporate income tax, serving as an anti-abuse and coordination provision. This article establishes that when taxpayers benefit from reduced IRC rates, exemptions, or other tax incentives (including RFAI benefits), they cannot simultaneously deduct certain additional amounts from their IRC liability. Specifically, Article 92 restricts the deductibility of autonomous taxation (tributações autónomas) and state surcharge (derrama estadual) from the IRC collection when companies already enjoy preferential tax treatment. The provision prevents the accumulation of multiple tax benefits that would excessively reduce tax revenue. It ensures that companies choosing to benefit from incentive regimes accept corresponding limitations on other deductions. This creates a framework where taxpayers must evaluate which tax advantages optimize their position, preventing unlimited stacking of benefits that could eliminate IRC liability entirely.
Can autonomous taxation (tributações autónomas) and state surcharge (derrama estadual) be deducted under IRC benefit regimes?
No, autonomous taxation (tributações autónomas) and state surcharge (derrama estadual) generally cannot be deducted under IRC benefit regimes due to Article 92 of CIRC. When taxpayers benefit from RFAI or other preferential tax regimes that provide reduced IRC rates, exemptions, or tax credits, Article 92 explicitly prohibits the simultaneous deduction of autonomous taxation and derrama estadual from the IRC collection. Autonomous taxation applies to specific expenses (company cars, representation expenses, etc.) at fixed rates, while derrama estadual is a state-level surcharge on taxable profits above certain thresholds. The legislative rationale prevents double benefits: companies enjoying RFAI incentives have already received favorable tax treatment and cannot further reduce their liability by deducting these additional tax components. Taxpayers must choose between benefiting from incentive regimes or claiming deductions for autonomous taxation and surcharges, but cannot combine both advantages under the Article 92 limitation framework.
How does the CAAD arbitral tribunal process work for challenging IRC self-assessment and tax refund decisions?
The CAAD arbitral tribunal process for challenging IRC self-assessment and tax refund decisions operates under Decree-Law 10/2011 of 20 January (RJAT - Legal Regime of Tax Arbitration). Taxpayers file an arbitration request under Articles 2 and 10 et seq. of RJAT, which the CAAD President accepts and automatically notifies to the Tax Authority. The tribunal consists of three arbitrators: the taxpayer designates one arbitrator (Article 6(2)(b) RJAT), the Tax Authority head designates another within the Article 13(1) deadline, and these two arbitrators jointly select a third to serve as President Arbitrator (Articles 11(5)-11(6) RJAT). The tribunal constitutes formally under Article 11(7) RJAT once all designations are complete. In this case, the process addressed challenges to IRC self-assessments, settlement statements (liquidações), account adjustment statements, and reimbursement claims totaling €192,353.12. The arbitral tribunal examines whether Tax Authority rejections comply with IRC provisions, double taxation conventions, and constitutional principles, providing an alternative dispute resolution mechanism outside traditional court litigation for corporate tax matters.