They have a copy of the registrations for previous stays in a centralised computer system used at the border. They don’t necessarily flag up a lack of registrat

They have a copy of the registrations for previous stays in a centralised computer system used at the border. They don’t necessarily flag up a lack of registration but they do keep the information and nothing to stop them raising it up as an issue in future. You also don’t need to be married to stay in a private home. Fine up to 2,000 RMB, more info: https://en.tripadvisor.com.hk/ShowTopic-g294211-i642-k12347811-Police_registration-China.html https://en.tripadvisor.com.hk/ShowTopic-g294211-i642-k123478...