Pursuant to Section 3 of Executive Order (E.O.) No. 691 issued by the President of the Republic of the Philippines on 10 January 2008, the Department of Energy (DOE), in coordination with the Department of Finance (DOF), Bureau of Customs (BOC), Department of Trade and Industry (DTI), and the National Economic and Development Authority (NEDA), hereby adopt the following guidelines to implement the reduction of tariff rates on imported crude oil and refined petroleum products based on certain trigger prices indexed to international oil prices in the world market.