The Banking Act of The Republic of China Article 12-1

In extending self-use residence loans or consumer loans, a bank shall not require borrowers to provide joint and several guarantor(s).In extending self-use residence loans or consumer loans, if a bank has obtained sufficient security prescribed in the preceding article, it shall not require borrowers to provide guarantor(s).Except for the preceding paragraph, if a bank requires guarantor(s) when extending credits, the guaranty shall be in a specific amount.In seeking repayment, a bank shall first pursue the borrower; when the repayment is insufficient and there are multiple guarantors, it shall pursue the guarantors on a pro-rata basis; provided that the above shall not apply to applications for enforcement titles or provisional remedies proceedings.
中文原文 銀行法第12-1條
銀行辦理自用住宅放款及消費性放款,不得要求借款人提供連帶保證人。
銀行辦理自用住宅放款及消費性放款,已取得前條所定之足額擔保時,不得要求借款人提供保證人。
銀行辦理授信徵取保證人時,除前項規定外,應以一定金額為限。
未來求償時,應先就借款人進行求償,其求償不足部分,如保證人有數人者,應先就各該保證人平均求償之。
但為取得執行名義或保全程序者,不在此限。

English translation for reference only; the Chinese text prevails. Not legal advice.