Organization Act of the National Immigration Agency, Ministry of the Interior Article 1
The Ministry of the Interior shall establish the National Immigration Agency (hereinafter referred to as “the agency”) to manage border entry/exit control, administer immigration affairs, carry out immigrant assistance and guidance, ensure immigrant rights and prevent transnational human trafficking.
中文原文 內政部移民署組織法第1條
內政部為統籌入出國（境）管理，規範移民事務，落實移民輔導，保障移民人權，防制人口販運等業務，特設移民署（以下簡稱本署）。