Restaurant Classification in Tourism: Regulation, Technical Standards and European Harmonization Afonso Ribeiro Café1 I. Introduction and scope. – II. The eu legal framework: hard law baselines without a restaurant rating taxonomy. – III. Member-state patterns: taxonomy by type vs. Voluntary quality labels. – IV. What restaurant “classification” can and cannot do under eu law. – V. Private and reputational classification systems: from michelin to algorithmic ranking. 1. Traditional reputational systems: the Michelin model. 2. The rise of digital and participatory classification systems. 3. Legal accountability under the Digital Services Act (DSA). V. Implications for restaurant classification in tourism law. – VI. Standards, certification and interoperability: using european standardization law without overreach. – IX. A roadmap for european‑level soft harmonization. – References This article explores how restaurants are classified within European legal and regulatory systems. In contrast to the hotel sector, there is no common EU framework or binding classification for restaurants. Most national rules concern operating conditions, such as hygiene, consumer information and fair trading, while questions of quality are left to private guides, voluntary labels and technical standards. Drawing on examples from Portugal, Spain and France, the study distinguishes legal, voluntary and reputational models of classification. It argues that transparent, non-mandatory standards can enhance credibility and consumer trust, provided they remain consistent with the Services Directive, food and consumer law, and the principles of free movement. Keywords: Tourism law, restaurant classification, Services Directive, technical standards, certification, consumer protection, food law, Digital Services Act, AI Act, Portugal, Spain, France, EU internal market. DOI 10.60559/gl44 1 Invited Professor Faculty of Economic University of Algarve
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