At present, there is no mandatory requirement for gas alarms, but some local governments and gas companies advocate users to install gas alarms and gas shut-off valves to use gas safely, because gas safety is no small matter.

Announcement No.29 1 of the Ministry of Housing and Urban-Rural Development of the People's Republic of China: The Technical Specification for Town Gas is now approved as the national standard, numbered GB50494—2009, and will be implemented as of August12009. All terms of this specification are mandatory and must be strictly implemented.

Mandatory installation in gas business and storage places, as well as in some large places where gas is used, and then the local government forces installation in the kitchens and storage rooms of some business users to ensure local safety.