Regulations Governing Customs Bonded Factories Article 15

When a Bonded Factory withdraws raw materials and semi-finished products from the raw materials and semi-finished products warehouses, for processing, it is required to complete an "application for claim of materials" and act in accordance with the prescribed procedures. Evidentiary documents shall be retained for inspection.When a Bonded Factory returns raw materials and semi-finished products drawn in accordance with the procedure of the preceding Paragraph to the raw materials and semi-finished products warehouses, it shall complete an "application for return of materials" and turn in the materials in accordance with the prescribed procedures. Items so turned in shall be again entered into the account book and stored in the warehouses. Evidentiary documents shall be retained for inspection.With regard to the "application for release of materials" and the "application for return of materials" as mentioned in the preceding two Paragraphs, if a factory has its own existing forms to adequately replace such applications or if the operational procedure is of a special nature, substitution for or exemption from completing such forms may be permitted after an approval has been requested from and granted by the Customs authority.
中文原文 海關管理保稅工廠辦法第15條
保稅工廠自倉庫提取原料、半成品時,應填具「領料單」,依照規定程序辦理,並保留其憑證,以備查核。
前項提領之原料、半成品退回倉庫時,亦應填具「退料單」,依照規定程序辦理,重新入帳存入倉庫,並保留憑證,以備查核。
前兩項之「領料單」及「退料單」,如工廠原有其他表報足以替代或作業程序特殊者,得於申請海關核准後准予替代或免予填報。

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