additional enactment and amendment of the technical regulations of the railway vehicles 7 pages in korean background and progress on the technical regulations of the railway vehicles manufacturer or his representative shall get type approval from the ministry of land infrastructure and transport molit for the newly-designed railway vehicles or significantly modified vehicles. also manufacturer approval and train set inspection certificate are necessary for the operation in korea railway safety act article 26 26-3 and 26-6 . in 2014 molit has enacted the technical regulations for the type approval manufacturer approval and train set inspection of following railway high speed rail electric locomotives and coaches type conventional rail and urban trains emu dc type only additional enactment and amendment on the technical regulations the molit plans to enact additionally the technical regulations for high speed rail vehicle emu electric multiple unit conventional rail vehicle passenger coach and freight wagon urban trains operated by only ac alternative current or ac dc combined electric power and light rail vehicle including tram . according to additional enactment stated above railway vehicle classification definition of terms and references will be amended in part 1 general of the technical regulation . the additional technical regulations will contain the essential requirements and the rolling stock subsystem requirements equivalent to the existing technical regulations enacted in 2014 which will be available for type examination and product verification for series manufactured vehicles. the essential requirements in the technical regulation provide safety requirements rolling stock gauge dynamic safety collision safety fire safety electrical safety risk analysis and railway software performances interfaces with infrastructure operation and maintenance and operational limits reliability and availability health acoustic noise rescue operation and aerodynamic characteristics . the rolling stock subsystem requirements prescribe on the design and structural requirements for car body and interior devices bogie brake propulsion auxiliary power unit on-board signalling train control and monitoring device as well as coupling device. also testing procedures for components parts assembled vehicles and running test are provided.