By implementing the provided energy efficiency criteria into the purchasing policies of an institution a long lasting effect of energy efficient procurement can be achieved. These purchasing policies include minimum standards for the procurement of office equipment, household appliances, lighting, vehicles as well as green electricity. The regulations can easily be integrated into already existing purchasing policies. An alternative with even higher environmental standards is also provided. The criteria used refer to environmental labels which are evaluated regularly. A word version of the document is available, thus you can modify it individually.