Statistics Act Article 12

Agencies shall only conduct the Designated Statistical Survey or General Statistical Survey that are directly related to their duties and out of urgency; no surveys shall be conducted under any of the following circumstances:1.The information required can be obtained from the data mentioned in Subparagraph 1 of Paragraph 2 of Article 4.2.The survey can be incorporated into other similar surveys.
中文原文 統計法第12條
各機關舉辦之指定或一般統計調查,應以業務有直接關係且迫切需要者為限;有下列情形之一者,不得舉辦:
一、所需資料可由第四條第二項第一款之資料取得。
二、可併入性質相類似之其他調查辦理。

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