The Guidance Document aims to assist Member States with the application of the CMEF HNV indicators, and specifically Impact Indicator 5 - 'the maintenance of HNV farmland and forestry'. A minimum amount of information necessary to understand the HNV concept and to operationalise the associated indicators is provided. Further material is available from other sources and where relevant, references are provided. Specifically, this document is accompanied by a report on 'HNV Indicators for Evaluation', prepared for DG Agriculture which elaborates all information provided in this document.