Regulations Governing the Accounting Treatment and Preparation of Financial Reports for Foundations Overseen by the Central Bank of the Republic of China (Taiwan) Article 7

Accounting documents include source documents and vouchers. A foundation shall produce vouchers based on the source documents and make entries into the account books based on the vouchers. However, events without the source document during preparation for settlement and transferred into accounts after settlement shall not be subject to this limitation.If a source document cannot be obtained due to restrictions or if such a document is damaged, destroyed, unavailable, or lost, a foundation, in addition to handling according to the procedures as required by law, must produce a vouchers based on the fact and amount and have its responsible officer or an assigned personnel sign or stamp thereon for bookkeeping purpose.For an accounting event for which the source document cannot be obtained, the responsible officer of the foundation may order the staff handling and in charge of the matter to severally or jointly prove such an event.
中文原文 中央銀行主管財團法人會計處理及財務報告編製準則第7條
會計憑證包括原始憑證及記帳憑證。
財團法人應根據原始憑證,編製記帳憑證,根據記帳憑證,登入會計帳簿。
但整理結算及結算後轉入帳目等事項,得不檢附原始憑證。
原始憑證因事實上限制無法取得,或因意外事故毀損、缺少或滅失者,除依法令規定程序辦理外,應根據事實及金額作成憑證,由財團法人負責人或其指定人員簽名或蓋章,憑以記帳。
無法取得原始憑證之會計事項,財團法人負責人得令經辦及主管該事項之人員,分別或共同證明。

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