What question did this study set out to answer?

The article aims to analyze the conflicts surrounding VAT regulations in Portugal's urban redevelopment efforts through legitimate expectations.

June 20, 2026

Legitimate Expectations and VAT: A Portuguese Case Study

Key Points

The article aims to analyze the conflicts surrounding VAT regulations in Portugal's urban redevelopment efforts through legitimate expectations.
Analyzed fragmented municipal interpretations of VAT rates in urban redevelopment.
Contrasted standards of the Court of Justice of European Union with Portuguese constitutional protections.
Explored implications of transitional rules in VAT adjudication.
Identified significant uncertainty caused by varying municipal interpretations and tax authority practices.
Highlighted the impact of a Supreme Administrative Court judgment on retroactive VAT assessments.
Raised broader questions about constitutional pluralism in VAT adjudication.

Abstract

Portugal’s reduced VAT rate for urban redevelopment became a decade-long source of uncertainty and controversy due to fragmented municipal interpretations, shifting tax authority practices, and a recent unifying judgment of the Supreme Administrative Court triggering retroactive standard VAT rate assessments. In this article, the authors analyse this conflict through the lens of legitimate expectations, contrasting standards of the Court of Justice of European Union with Portuguese constitutional protections. The article highlights how transitional rules put in place by the national legislature were jeopardized by administrative and judicial practices and concludes with a broader inquiry concerning constitutional pluralism in VAT adjudication.

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