Regulations Governing Quarantine at Ports Article 40

Quarantine authority may adopt alternative measure, in the condition of poor weather, difficulty in boarding on conveyance or for other safety reasons that make the performance of duty difficult.
中文原文 港埠檢疫規則第40條
檢疫單位因氣候惡劣、登上運輸工具困難或其他安全因素,致執行業務有困難時,得採行替代措施。

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