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  • Javier Portas L.
  • Javier Portas L.


    Mexico City

    Telephone: +52 (55) 1167-3037

    [email protected]

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    Javier Portas L. focuses his practice on Mexican and international corporate taxation. He provides corporate tax and international tax advice to foreign and domestic corporations, including partnerships, limited liability companies, joint venture entities, trusts and funds. Mr. Portas also represents clients in tax litigation at federal and local courts. His practice also includes international trade matters and the application of several Foreign Trade Agreements entered into by Mexico, such as the North American Free Trade Agreement. He represents clients in connection with the review by Mexican tax authorities of compliance with determination of rules of origin and procedures followed to challenge the authorities’ determination, both administratively, as well as before federal courts. Mr. Portas has collaborated with customs authorities in drafting complementary procedural rules applicable to origin determination review processes. Mr. Portas has participated in several negotiations of tax benefits with local tax authorities, mainly in connection with the establishment of new investments within Mexico.

    • Education

      Law Degree- Escuela Libre de Derecho (1988)

      LL.M Degree in Tax Law – Universidad Panamericana (1991)

      Postgraduate Degree in Tax Counseling - Universidad Panamericana (1991)

      Tax Law Program - Academia de Estudios Fiscales de la Contaduría Pública, A.C. (1991)

      Legal English and Orientation in the U.S. Legal System Program - International Law Institute - George Washington University Law School (1997)

    • Academic Experience

      Mr. Portas has been a Professor of Law at the Tourism Faculty of the Universidad Anahuac and Assistant Professor of Roman Law at the Escuela Libre de Derecho.

    • Publications

      Mexico, cahiers de droit fiscal international” (“Mexico: cases of international tax law”) Double non-taxation, Volume 89a, published by the International Fiscal Association, 2004 Vienna Congress.

    • Memberships & Affiliations

      Mexican Chapter of the International Tax Association

      International Tax Committee of Colegio Mexicano de Contadores Públicos Titulados

    • Languages