Hong Kong authorities have gazetted a new law regulating an upgraded border crossing between the city and Shenzhen, marking another major step towards introducing a joint clearance model that is expected to cut clearance times from 30 minutes to five. The Huanggang Port Hong Kong Port Area Bill was gazetted on Tuesday, with a Security Bureau spokesman saying the official opening date of the upgraded port had yet to be finalised with mainland Chinese authorities. “The official opening date is to...