Immigration Act Article 5
Nationals who have household registration in the Taiwan Area may enter and/or exit the State without application for permission, save staff who involve in national security shall be approved by the staff’s service authorities before exiting the State.Nationals without household registration in the Taiwan Area shall apply to the National Immigration Agency for permission to enter the State. However, one with a valid passport of the State is exempted from applying for permission to enter the State or may do so when entering the State.National Security Bureau, Ministry of the Interior, Ministry of National Defense, Ministry of Justice and Ocean Affairs Council shall respectively enact regulations with respect to the scopes of the staff regulated in the exception of Paragraph 1, conditions for approval of the said staff, procedures and other matters which shall be complied with by the staff.The competent authority shall consult with related authorities to enact regulations with respect to the scopes of the subjects who are exempted from applying for permission to enter the State or may do so when entering the State regulated in the exception of Paragraph 2, conditions and other matters which must be complied with by the subjects.
中文原文 入出國及移民法第5條
居住臺灣地區設有戶籍國民入出國，不須申請許可。
但涉及國家安全之人員，應先經其服務機關核准，始得出國。
臺灣地區無戶籍國民入國，應向移民署申請許可。
但持有我國有效護照者，得免申請入國許可或於入國時申請入國許可。
第一項但書所定人員之範圍、核准條件、程序及其他應遵行事項之辦法，分別由國家安全局、內政部、國防部、法務部、海洋委員會定之。
第二項但書免申請入國許可或於入國時申請入國許可之適用對象、條件及其他應遵行事項之辦法，由主管機關會商相關機關定之。
但涉及國家安全之人員，應先經其服務機關核准，始得出國。
臺灣地區無戶籍國民入國，應向移民署申請許可。
但持有我國有效護照者，得免申請入國許可或於入國時申請入國許可。
第一項但書所定人員之範圍、核准條件、程序及其他應遵行事項之辦法，分別由國家安全局、內政部、國防部、法務部、海洋委員會定之。
第二項但書免申請入國許可或於入國時申請入國許可之適用對象、條件及其他應遵行事項之辦法，由主管機關會商相關機關定之。