Title: Exchange of Notes Between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the Khmer Republic Concerning an Interest-Free Loan Towards the Cost of the Prek Thnot Power and Irrigation Development Project (United Kingdom - Khmer Republic Power and Irrigation Development (Prek Thnot) Loan Agreement 1974), Phnom Penh, 27 December 1974 ..