Accounting Act Article 56

If the form of source documents meets the requirements of recording documents, source document may be used as the recording document in lieu without the need to prepare vouchers.
中文原文 會計法第56條
原始憑證,其格式合於記帳憑證之需要者,得用作記帳憑證,免製傳票。

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