In responding to the COVID-19 pandemic, many States have taken harsh and unprecedented measures against migrants, refugees, and other displaced persons. The following principles derive from international treaties and instruments, customary international law, decisions of UN treaty bodies, and guidelines widely accepted by the international community. They are further informed by decisions of human rights bodies at the regional level and regional inter-State agreements. The principles are offered to inform and guide State action, to assist international organizations, and to provide a basis for advocacy and education.