Abstract
Structuring Overseas Infrastructures by Japanese Business is one of the New Growth Strategy of the Government. In finance for structuring Overseas Infrastructure, the official finance has important role. The types of the official finance have developed from Export finance, Investment finance and Project finance. Then the official finance has expanded to the Un-tied loans which prepare the circumstances of the business for the projects, the participation of Equity for the projects and for the concerned Funds, and extending JBIC Guarantees to co-financed banks and overseas enterprises. Recently, the support to packaged type of Overseas Infrastructure is expected. If financers withdraw from the project, the concerned business shall disappear. In this report, I try to introduce the development of official support to the Overseas Infrastructures and their concerned due diligence, then the background and policies for the severe international competition on Overseas Infrastructure business.