Regulation on Tendering Sale, Lease and Management of Dwelling Houses and Commercial, Industrial and Other Urban Service Facilities in New Towns. Article 7

In case of sale through tendering, the antecedent money for bidding may not be less than 10% of the minimum price for sale.In case of lease through tendering, the antecedent money for bidding shall be calculated according to the minimum price for lease.
中文原文 新市鎮住宅商業工業及其他都市服務設施標售標租及管理辦法第7條
標售時,押標金金額不得低於標售底價百分之十。
標租時,押標金金額按標租底價計算。

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