Smoking (Public Health) Ordinance
The Smoking (Public Health) Ordinance is a law in Hong Kong enacted in 1982 for smoking bans and regulation of sales of tobacco products. It has been amended several times ever since and the latest substantial amendment, known as the Smoking (Public Health) (Amendment) Ordinance 2006, was passed by the Legislative Council on 19 October 2006, and gazetted on 27 October 2006.
Source: Wikipedia — Smoking (Public Health) Ordinance (CC BY-SA 4.0)