The Banking Act of The Republic of China Article 70

The term, "commercial bank" as used in this Act shall refer to a bank whose principal function is to accept checking deposits, demand deposits and time deposits and extend short-term and medium-term credits.
中文原文 銀行法第70條
本法稱商業銀行,謂以收受支票存款、活期存款、定期存款,供給短期、中期信用為主要任務之銀行。

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