The present publication contains the Revised Guidelines on Environmental Impact Assessment in a Transboundary Context for Central Asian Countries, which have been developed as a tool for the consistent practical implementation of transboundary environmental impact assessment procedures and to assist the Governments of Central Asian countries in developing their national legislation in accordance with the Convention. The Revised Guidelines are structured along each of the procedural stages of a transboundary environmental impact assessment procedure that reflects the requirements of the Espoo