The National Fire Bureau has mandatory regulations on the installation of "kitchen fire-fighting equipment".

Code for Fire Protection Design of Buildings

8.5 Location of automatic fire extinguishing system.

8.5.8 For catering establishments with a business area of more than 511m2 in public buildings, automatic fire extinguishing devices should be installed in the cooking hood and cooking parts of the cooking operation room, and automatic emergency cut-off devices should be installed on gas or oil pipelines.