Many gaps in the protection of refugees can be connected to a de facto transfer of responsibility for managing refugee policy from sovereign states to United Nations agencies. This phenomenon can be seen in dozens of countries in the Middle East, Africa and Asia, where the UN High Commissioner for Refugees (UNHCR) or the UN Relief and Works Agency for Palestine Refugees in the Near East (UNRWA) manage refugee camps, register newly arrived asylum-seekers, carry out refugee status determination, and administer education, health, livelihood and other social welfare programs. In carrying out these functions, the UN acts to a great extent as a “surrogate state,” performing a “state substitution role,” but without the capacity to fully substitute...