Retail Market Management Regulation Article 21

In the case that the actual stalls (stores) used are less than one third of the total stalls (stores), the competent authority of the public market may stop use of the entire market or an entire floor of the public market, or allocate the original stall (store) users to vacant stalls (stores) in another market.
中文原文 零售市場管理條例第21條
公有市場內實際經營之攤(商)未達總攤(鋪)位三分之一者,設立公有市場之主管機關得停止公有市場全部或整層之使用,或將原攤(鋪)位使用人改配其他市場空攤(鋪)位。

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