Fee-charging Standards on the Access to Government information by the DGBAS, Executive Yuan Article 5

If the applicant requests that the duplicated or copied government information should be sent by mail, the applicant shall be charged for the actual mailing expense.
中文原文 行政院主計總處提供政府資訊收費標準第5條
重製或複製政府資訊,如另需提供郵寄服務者,其郵遞費用以實支數額計算。

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