Article 11 With the permission of the Ministry of the Interior, a national of the Republic of China may lose his/her nationality of the Republic of China under any of the following conditions: 1.His/Her natural father is a foreign national, and he/she is acknowledged by his/her natural father. 2.His/Her father can’ t be ascertained or he/she is not acknowledged by his/her natural father, and his/her mother is a foreign national. 3.He/She is the spouse of a foreign national. 4. He/She is the adopted child of a foreign national. 5.He/She is 20 years old and has the capacity to act according to the laws of the Republic of China and acquires the nationality of another country voluntarily.