Attorney Regulation Act Article 43

An attorney should not engage in any profession that may damage his/her dignity or reputation as an attorney.An attorney should not engage in improper behavior or violate their professional responsibility in handling any cases where he/she has accepted retainer or appointment, or are handling according to a government request.
中文原文 律師法第43條
律師不得從事有辱律師尊嚴或名譽之行業。
律師對於受委任、指定或囑託之事件,不得有不正當之行為或違反其職務上應盡之義務。

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