Under the provisions of Article 3 of the "Interim Measures for the Record-Filing Management of Emergency Environmental Event Response Plans for Enterprises and Institutions" (Circulation No. 4 of 2015) issued by the original Ministry of Environmental Protection on January 8, 2015, the guidance and administration of environmental protection authorities over the record-filing of environmental emergency response plans for the following enterprises are subject to these regulations.

Entities potentially responsible for sudden environmental incidents, including operators of wastewater and municipal solid waste treatment facilities.

Enterprises involved in the production, storage, transportation, and use of hazardous chemicals.

Enterprises engaged in the generation, collection, storage, transportation, utilization, and disposal of hazardous waste.

Tailings storage facilities, including wet storage industrial waste slag repositories and power plant ash slag repositories.

Other enterprises that should be included within the applicable scope.

The filing of emergency response plans for nuclear and radiation environmental incidents is not applicable under this method.

State-level environmental protection authorities may publish a list of enterprises that are required to file environmental emergency response plans in accordance with the law, based on the actual situation.