Regulations Governing Visiting, Residency, and Permanent Residency of Aliens Article 13
The Alien Resident Certificate issued to any foreign national with family-based residency shall be valid for the duration of residency of the family member sponsoring his/her residency. Where the sponsoring family member is an ROC national, the Alien Resident Certificate shall be valid for no more than 3 years.
中文原文 外國人停留居留及永久居留辦法第13條
外國人以依親為居留原因取得之外僑居留證，以其所依親屬之居留期限為居留期限，其所依親屬為我國國民者，外僑居留證有效期間最長不得逾三年。