Application of information and communication technology is examined as a measure for Green House Gas (GHG) reduction over a long term in Japan. Many study meetings for calculating the environmental load reduction effect in 2020 have been conducted as trials, but there are still few precise examples. In this study, we investigated the instructions of electronic services for architecting the real estate securitization industry as an example of a paperless platform system. As a result of this

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... ation, we did not find effectiveness in environmental load reduction with our target samples. We determined the amount of electricity used for the information system is larger than not using this paperless system. Based on this result, we conclude if the situation continues that documents cannot be stored as digitalized data, it is necessary not only to make paper receipts but also a law for saving contract information is a necessary system.