Collective Agreement Act Article 7

When the labor side or the management side providing information and materials for bargaining a collective agreement, it may request the other side to keep them in confidentiality and pay necessary expenses.
中文原文 團體協約法第7條
因進行團體協約之協商而提供資料之勞資一方,得要求他方保守秘密,並給付必要費用。

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