Regulations Governing the Detention of the People of the Mainland China Area and the Residents of Hong Kong and Macao Article 2

The detention of the people of the Mainland China area and the residents of Hong Kong and Macao shall be detained by places of detention centers, temporary detention centers, or other designated?appropriate locations as necessary (hereinafter referred to as “detention centers”) set up by the National Immigration Agency, Ministry of the Interior (hereinafter referred to as “NIA”).
中文原文 大陸地區人民及香港澳門居民收容管理辦法第2條
大陸地區人民及香港澳門居民收容管理,由內政部移民署(以下簡稱移民署)設置之收容所、臨時收容所或其他因必要情形指定之適當處所(以下簡稱收容處所)為之。

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