Walter César Keiniger
Latin America Guide 2025
Band 2 : Tax
About
Provided by Walter César Keiniger
Practice Areas
Expert in tax law. Advises national and multinational companies in cross-border transactions, transfer pricing, M&As, business restructuring, tax-free reorganizations and real estate projects. Expert in complex tax litigation.
Career
Joined Marval O’Farrell Mairal in 1999; partner since 2007. Gutman – boutique tax litigation firm, 1995-99.
Professional Memberships
Member of the Argentine Fiscal Association.
Publications
Area of practice articles and books; regular speaker in conferences. Professor at Graduate Tax Programs including University of Miami and University of Florida (USA).
Personal
Lawyer – Tax Law specialization, Universidad de Buenos Aires; Graduate Tax Program, Universidad de Buenos Aires; Graduate Tax Program (LLM in Taxation), University of Florida, USA.
Chambers Review
Latin America
Noteworthy partner Walter César Keiniger is commended by market commentators and clients alike for his solid advice on tax matters. He provides extensive guidance on both contentious and non-contentious mandates.
Strengths
Provided by Chambers
"Walter Keiniger has extensive experience and deep tax knowledge. He understands the client's needs and provides added value."
"Walter Keiniger has extensive experience and deep tax knowledge. He understands the client's needs and provides added value."
Articles, highlights and press releases
1 item provided by Marval O'Farrell Mairal
Supreme Court Says Most Benign Criminal Law Applies Retroactively when Filing Criminal Tax Charges
The Argentine Supreme Court held that the amounts triggering criminal charges under the new Criminal Tax Regime do not constitute a reinstatement of the former amounts due to inflation. Thus, new amounts count for excluding criminal behaviors displayed before the new Regime became effective.
Supreme Court Says Most Benign Criminal Law Applies Retroactively when Filing Criminal Tax Charges
The Argentine Supreme Court held that the amounts triggering criminal charges under the new Criminal Tax Regime do not constitute a reinstatement of the former amounts due to inflation. Thus, new amounts count for excluding criminal behaviors displayed before the new Regime became effective.
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