Regulations Governing Procedures for Objections in Trade Disposition Cases Article 17

The delivery of objection documents by personnel or the authority designated by the Committee shall prepare a certification of delivery. For postal deliveries, a postal certification of delivery shall be prepared.Apart from the provisions in the preceding paragraph, the delivery of objection documents shall be prescribed by the rules and regulations on delivery in the Administrative Procedure Act.
中文原文 貿易處分案件聲明異議處理辦法第17條
審委會派員或囑託其他有關機關送達異議文書者,應由執行送達人作成送達證書;交付郵務機構送達者,應使用異議文書郵務送達證書。
異議文書之送達,除前項規定外,依行政程序法有關送達規定為之。

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