The Communication Security and Surveillance Act Article 20

The total compensation for the damage as described in the preceding Article shall be calculated based on the days of the communication surveillance: each person who was under surveillance may be compensated with more than one thousand and less than five thousand New Taiwan dollars per day. However, this restriction does not apply to those who can produce proof that the damage suffered is beyond this dollar amount.If the total days of communication surveillance as described in the preceding Paragraph is unknown, the amount shall be calculated as thirty days.
中文原文 通訊保障及監察法第20條
前條之損害賠償總額,按其監察通訊日數,以每一受監察人每日新臺幣一千元以上五千元以下計算。
但能證明其所受之損害額高於該金額者,不在此限。
前項監察通訊日數不明者,以三十日計算。

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