Foreign Trade Act Article 25

A person who, in the course of performing duties, is aware of or possesses information about other people's trade documents or information that is sufficient to prejudice the business interests of others shall keep it confidential, except for official use.
中文原文 貿易法第25條
業務上知悉或持有他人貿易文件或資料足以妨礙他人商業利益者,除供公務上使用外,應保守秘密。

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