Proceedings of the International scientific and practical conference ―Paris Science and Education Forum‖ (March 2-4, 2026) / Publisher website: www.naukainfo.com. – Paris, France, 2026. - 293 p.

87 Particular emphasis is placed on proportionality and legal documentation. Any restriction of access, temporary detention of individuals, or emergency security action must be recorded in accordance with established procedural standards. This requires the duty commandant to maintain accurate incident logs and preserve evidentiary materials in a manner compatible with host State judicial requirements. 3. Common Law Systems. In common law jurisdictions, such as the United States, the United Kingdom, or Canada, judicial precedents significantly influence law enforcement practice. The assessment of security measures often depends on case-by-case evaluation by courts, especially regarding use of force and public order management. In this environment, transparency and documentation become central elements of diplomatic security practice. The duty commandant must ensure that any preventive or reactive measures meet strict proportionality standards and can withstand potential judicial scrutiny. Furthermore, cooperation with law enforcement agencies may involve multiple jurisdictional levels (federal, state, municipal), requiring precise communication and procedural accuracy. The admissibility of video surveillance, witness statements, and digital evidence depends on compliance with local evidentiary standards, which differ from continental procedural systems. 4. Transitional or High-Risk Environments. In certain host States characterized by limited institutional capacity, high protest activity, or fluctuating public order conditions, the effectiveness of diplomatic protection may vary considerably. Although the international obligation to protect diplomatic premises formally exists, practical enforcement may be inconsistent. Under such circumstances, the duty commandant‘s preventive role becomes more pronounced. Internal security protocols, layered access control systems, and contingency planning gain particular importance. At the same time, excessive reliance on internal measures may create legal ambiguity if actions are perceived as exceeding permissible limits within the host State‘s legal framework.