O presente estudo tem por escopo analisar e reconstruir os fundamentos que informam os contornos da emblemática figura dos estabelecimentos permanentes. Muito embora a doutrina e a jurisprudência internacional tenham laborado ingente esforço no sentido de prover um conceito uniforme para tal expressão, sem o qual o legítimo exercício da jurisdição para tributar rendimentos empresariais pode restar prejudicado, ainda há muito o que ser discutido e examinado. Isso porque a economia global, assentada em uma intensa mobilidade de riquezas, evidencia a crescente diversificação das formas de organização empresarial, de modo que a regulação necessária a atender as peculiaridades atinentes a cada modalidade negocial demanda um exame aprofundado e contínuo. Nesse cenário, a clara definição e perfeita compreensão do relevante conceito do estabelecimento permanente, bem como a delimitação dos critérios indispensáveis à sua aplicação, têm cardeal relevância para as modernas relações comerciais. Tal relevância decorre do papel que atribuímos ao estabelecimento permanente neste trabalho, por reputálo enquanto elemento de conexão objetivo, eleito por excelência pelos tratados para evitar a dupla tributação no tocante aos itens de rendimentos empresariais em geral. Tomando como paradigma o modelo de convenção elaborada pela Organização de Cooperação e de Desenvolvimento Econômico, e somando a este os influxos do modelo produzido pela Organização das Nações Unidas, será possível traçar um conceito multifacetado de estabelecimento permanente, com base em determinados critérios classificatórios. Fundados em tais categorias, conduziremos o exame das convenções internacionais firmadas pelo Brasil e analisaremos como os enunciados veiculados por tais instrumentos devem ser operados face ao ordenamento doméstico brasileiro. Com efeito, a tese ora apresentada buscará municiar seus leitores dos instrumentos conceituais necessários para que o conceito de estabelecimento permanente seja aplicado de forma efetiva e coerente com as práticas internacionais. Almeja-se, com isso, traçar algumas propostas para solucionar o afã despertado por problemáticas fiscais suscitadas no bojo do Direito Internacional Tributário, no intuito de contribuir em favor da adoção pelo Brasil de postura mais condizente com os anseios da comunidade internacional. / The scope of this study is to analyze and reconstruct the foundations that outline the emblematic figure of permanent establishments. Although the international doctrine and case law have made great effort to provide such expression with a uniform concept - without which the legitimate exercise of the jurisdiction to tax business income could be impaired - there is still much to be discussed and examined. The global economy, which is based upon intense wealth mobility, attests the increasing diversification of entrepreneurial organization forms, in such a way that proper regulation requires a profound and continuous analysis, in order to meet the needs of the peculiarities of each business modality. Within this context, the clear definition and complete comprehension of this relevant concept (that of permanent establishments), as well as the delimitation of the criteria necessary to its proper application, are of the utmost importance for the modern commercial relations. Such importance derives from the role attributed to the permanent establishment in this essay, considered as an objective connecting factor elected by the double tax treaties in connection with business profits. Using the Model Convention of the Organization for Economic Co-operation and Development as a paradigm, and adding the input from the model elaborated by the United Nations, it will be possible to draw a multifaceted concept of permanent establishment, based upon some specific classificatory aspects. Such categories are the grounds for promoting a survey of the international conventions entered into by Brazil, as well as an analysis on how the norms enacted under such vehicles shall be operated in view of the Brazilian domestic law. In fact, the present thesis aims at providing readers with the necessary conceptual instruments to apply the concept of permanent establishment effectively and coherently with the international law practice. With that, this study elaborates on proposals to solve some tax problems emerged within the framework of the International Tax Law, with the purpose of contributing for the adoption of an approach by Brazil which is more consistent with the aspiration of the international community.

O presente estudo tem por escopo analisar e reconstruir os fundamentos que informam os contornos da emblemática figura dos estabelecimentos permanentes. Muito embora a doutrina e a jurisprudência internacional tenham laborado ingente esforço no sentido de prover um conceito uniforme para tal expressão, sem o qual o legítimo exercício da jurisdição para tributar rendimentos empresariais pode restar prejudicado, ainda há muito o que ser discutido e examinado. Isso porque a economia global, assentada em uma intensa mobilidade de riquezas, evidencia a crescente diversificação das formas de organização empresarial, de modo que a regulação necessária a atender as peculiaridades atinentes a cada modalidade negocial demanda um exame aprofundado e contínuo. Nesse cenário, a clara definição e perfeita compreensão do relevante conceito do estabelecimento permanente, bem como a delimitação dos critérios indispensáveis à sua aplicação, têm cardeal relevância para as modernas relações comerciais. Tal relevância decorre do papel que atribuímos ao estabelecimento permanente neste trabalho, por reputálo enquanto elemento de conexão objetivo, eleito por excelência pelos tratados para evitar a dupla tributação no tocante aos itens de rendimentos empresariais em geral. Tomando como paradigma o modelo de convenção elaborada pela Organização de Cooperação e de Desenvolvimento Econômico, e somando a este os influxos do modelo produzido pela Organização das Nações Unidas, será possível traçar um conceito multifacetado de estabelecimento permanente, com base em determinados critérios classificatórios. Fundados em tais categorias, conduziremos o exame das convenções internacionais firmadas pelo Brasil e analisaremos como os enunciados veiculados por tais instrumentos devem ser operados face ao ordenamento doméstico brasileiro. Com efeito, a tese ora apresentada buscará municiar seus leitores dos instrumentos conceituais necessários para que o conceito de estabelecimento permanente seja aplicado de forma efetiva e coerente com as práticas internacionais. Almeja-se, com isso, traçar algumas propostas para solucionar o afã despertado por problemáticas fiscais suscitadas no bojo do Direito Internacional Tributário, no intuito de contribuir em favor da adoção pelo Brasil de postura mais condizente com os anseios da comunidade internacional. / The scope of this study is to analyze and reconstruct the foundations that outline the emblematic figure of permanent establishments. Although the international doctrine and case law have made great effort to provide such expression with a uniform concept - without which the legitimate exercise of the jurisdiction to tax business income could be impaired - there is still much to be discussed and examined. The global economy, which is based upon intense wealth mobility, attests the increasing diversification of entrepreneurial organization forms, in such a way that proper regulation requires a profound and continuous analysis, in order to meet the needs of the peculiarities of each business modality. Within this context, the clear definition and complete comprehension of this relevant concept (that of permanent establishments), as well as the delimitation of the criteria necessary to its proper application, are of the utmost importance for the modern commercial relations. Such importance derives from the role attributed to the permanent establishment in this essay, considered as an objective connecting factor elected by the double tax treaties in connection with business profits. Using the Model Convention of the Organization for Economic Co-operation and Development as a paradigm, and adding the input from the model elaborated by the United Nations, it will be possible to draw a multifaceted concept of permanent establishment, based upon some specific classificatory aspects. Such categories are the grounds for promoting a survey of the international conventions entered into by Brazil, as well as an analysis on how the norms enacted under such vehicles shall be operated in view of the Brazilian domestic law. In fact, the present thesis aims at providing readers with the necessary conceptual instruments to apply the concept of permanent establishment effectively and coherently with the international law practice. With that, this study elaborates on proposals to solve some tax problems emerged within the framework of the International Tax Law, with the purpose of contributing for the adoption of an approach by Brazil which is more consistent with the aspiration of the international community.

The BEPS Project has led to unprecedented changes in international taxation rules. In this respect, the recent changes made to the definition of permanent establishment (PE) under BEPS Action 7 target aggressive tax structures used by multinationals enterprises (MNEs). Due to the narrow scope of Article 5(5) and 5(6), taxpayers easily managed to escape the existing definition of PE with the use of tax avoidance strategies, such as commissionaire arrangements. Therefore, some revisions of Action 7 particularly concern the PE threshold provided by Article 5(5) with respect to commissionaire arrangements. The revisions have also arisen questions as to whether the profit attribution rules in connection with the newly proposed PEs will be affected by the BEPS suggestions. In this regard, the Report on BEPS Action 7 had noted the importance of additional guidance for the attribution of profits to the post-BEPS PEs resulting from the changes. Finally, the Additional Guidance on the Attribution of Profits to Permanent Establishments which deals with the attribution of profits to the newly proposed PEs under Action 7 has been released on 22 March 2018. The revised concept of PE ultimately has implications for the application of the Authorized OECD Approach (AOA) for the attribution of profits to PEs. This thesis will analyze the functional and factual analysis performed within the first step of the AOA for the attribution of profits to PEs which arise from commissionaire arrangements under Action 7. The analysis will be based on the general principles of the AOA and the high-level principles provided by the Additional Guidance, with the specific reference to the BEPS work on risk assumption under Actions 8-10. The thesis will also touch upon the PE threshold proposed by Action 7 that concerns commissionaire arrangements.