Regulations for the Establishment of Indoor Smoking Rooms Article 7

Smoking rooms shall be left unused for one hour before and after cleaning and maintenance, during which the independent air conditioning system shall be kept running.
中文原文 室內吸菸室設置辦法第7條
吸菸室於清潔、維護前後一小時內停止使用,並應於該期間持續維持其獨立空調之運轉。

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