International Law

### **Jurisdictional Comparison & Analytical Commentary on AI Regulation in Digital Diplomacy** The regulation of artificial intelligence (AI) in digital diplomacy presents divergent approaches across jurisdictions, reflecting differing priorities in sovereignty, accountability, and technological governance. The **United States** emphasizes a sectoral, innovation-driven model, favoring voluntary guidelines (e.g., NIST AI Risk Management Framework) and industry self-regulation, which contrasts with the **Republic of Korea’s** more prescriptive, rights-based framework under its *Framework Act on AI* and *Digital Platform Act*, prioritizing transparency and user protection. Internationally, the **UN and Council of Europe** advocate for a human-rights-centered approach (e.g., UNESCO’s *Recommendation on AI Ethics* and the *EU AI Act*), emphasizing accountability and alignment with democratic values, while acknowledging the challenges of extraterritorial enforcement in a fragmented digital landscape. This divergence underscores a broader tension in international law: whether AI regulation should be **principle-based** (favored by global bodies) or **rule-based** (preferred by states like South Korea), with the U.S. occupying a middle ground between regulatory restraint and emerging mandatory standards. The implications for diplomatic practice are profound—jurisdictional inconsistencies risk creating regulatory arbitrage, complicating cross-border AI deployment in diplomacy, while reinforcing the need for harmonized norms to address attribution, data sovereignty, and algorithmic transparency in interstate interactions.

As a Treaty Interpretation & Vienna Convention Expert, I can provide domain-specific expert analysis of the article's implications for practitioners in the field of international law. The article highlights the need for a multi-level regulation of artificial intelligence in diplomatic activities, which raises questions about the applicability of existing international legal mechanisms to new diplomatic practices. This is particularly relevant in the context of digital diplomacy, where traditional diplomatic institutions are transforming under the influence of digitalization and the introduction of artificial intelligence technologies. From a treaty interpretation perspective, this article has implications for the interpretation of treaties that regulate diplomatic activities, such as the Vienna Convention on Diplomatic Relations (VCDR) and the Vienna Convention on Consular Relations (VCCR). The article's focus on the need for specialized legal regimes for various categories of diplomatic artificial intelligence systems may also be relevant to the interpretation of reservations and declarations made by states under the Vienna Convention. In terms of case law, the article's discussion of legal responsibility, data sovereignty, transparency of algorithms, and attribution in digital diplomacy may be relevant to cases such as the 2017 WannaCry ransomware attack, which highlighted the need for states to take responsibility for cyber-attacks and to ensure transparency in their digital activities. Statutorily, the article's focus on the need for multi-level regulation of artificial intelligence in diplomatic activities may be relevant to the development of new international regulations, such as the European Union's Artificial Intelligence Act, which aims to regulate AI systems in the EU. Regulatory