Fast moving – no experience with it yet – here is the Government blurb …
Introduction
Pursuant to section 12 and 12A of the Compulsory Quarantine of Certain Persons Arriving at Hong Kong Regulation (the Regulation) (Cap. 599C), the Secretary for Food and Health would specify Guangdong Province and Macao as Category 2 specified places in China with effect from November 23, 2020. She would further specify the conditions for the purpose of section 12(2) of the Regulation.
This Scheme aims to facilitate Hong Kong residents who, upon fulfilment of the conditions specified under sections 12 and 12A of the Regulation, including not having been to places other than Hong Kong, the Guangdong Province or Macao in the past 14 days prior to or upon the day of arrival in Hong Kong, to be exempted from the 14-day compulsory quarantine requirement when returning to Hong Kong. More…