Since there are business establishments where the applicable law that prescribes the installment of smokestack tele-monitoring systems (TMS) has been changed to the Enforcement Decree of the Special Act on the Improvement of Air Environment in Air Quality Control Zones and the Enforcement Decree of the Act on the Integrated Control of Pollutant-Discharging Facilities due to the total volume system for business establishments and the expansion of business establishments subject to integrated permission, this Note aims to add TMS-installed discharging facilities to the business establishments subject to emergency reduction measures pursuant to the Enforcement Decree of the Special Act on the Improvement of Air Environment in Air Quality Control Zones and the Enforcement Decree of the Act on the Integrated Control of Pollutant-Discharging Facilities to clearly define business establishments subject to emergency reduction measures (Article 2).