Regulations for Safety Inspection of Hazardous Machines and Equipment Article 134

After accepting the application for internal inspection, the inspecting organization shall notify the employer of the date for the completion inspection for special equipment for high-pressure gases so that they can resume the inside of the special equipment for high-pressure gases to the normal temperature and pressure, discharge the contents and carry out ventilation, air change, cleaning for the special equipment for high-pressure gases and prepare for other necessary proceedings for the periodic inspection.The internal inspection mentioned in the previous paragraph shall include surface inspection of the special equipment for high-pressure gases and nondestructive inspections for thickness, cracks, distortion and defilement of the special equipment for high-pressure vessels, and determine the pressure test and other necessary inspections to be carried out according to the results of the aforesaid inspections.
中文原文 危險性機械及設備安全檢查規則第134條
檢查機構受理實施高壓氣體特定設備內部檢查時,應將檢查日期通知雇主,使其預先將高壓氣體特定設備之內部恢復至常溫、常壓、排放內容物、通風換氣、整理清掃內部及為其他定期檢查必要準備事項。
前項內部檢查項目為高壓氣體特定設備內部之表面檢查及厚度、腐蝕、裂痕、變形、污穢等之檢測、必要時實施之非破壞檢查,以檢查結果判定需要實施之耐壓試驗及其他必要之檢查。

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