Fire Services Act Article 15-4

(Periodic inspection of LPG containers)The container shall be inspected regularly. Before the expiration of the inspection period, the retailer shall send the container to the container inspection institution registered by the central competent authority for inspection. After passing the inspection and attaching the qualification mark, the container can continue to be used. After the expiration of the service life, the container shall be replaced. The period, item, method, result judgment, items and additional methods of the qualification mark shall be included and inconsistent The standards for the destruction of containers, valves and other related matters shall be announced by the central competent authority.The cost of the container inspection agency as determined in the preceding paragraph shall be borne by the retailer, and the items and fees charged by the retailer shall be submitted by the institution for approval by the central competent authority.The central competent authority shall prescribe the measures for the qualification, instruments, equipment and personnel, procedures, documents to be prepared, validity period of registration certificate, issuance (replacement), cancellation, annulment, change, extension, data establishment, storage and application, stop issuance of qualification marks, business suspension, and other matters to be followed by the container inspection institution specified in the first paragraph.
中文原文 消防法第15-4條
容器應定期檢驗,零售業者應於檢驗期限屆滿前,將容器送經中央主管機關登錄之容器檢驗機構實施檢驗,經檢驗合格並附加合格標示後,始得繼續使用,使用年限屆滿應汰換之;其容器定期檢驗期限、項目、方式、結果判定、合格標示應載事項與附加方式、不合格容器之銷毀、容器閥之銷毀及其他相關事項之標準,由中央主管機關公告之。
前項所定容器檢驗機構辦理容器檢驗所需費用,由零售業者負擔,其收費項目及費額,由該機構報請中央主管機關核定。
第一項所定容器檢驗機構,其申請登錄之資格、儀器設備與人員、程序、應備文件、登錄證書之有效期間、核(換)發、撤銷、廢止、變更、延展、資料之建置、保存與申報、合格標示之停止核發、停止執行業務及其他應遵行事項之辦法,由中央主管機關定之。

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