Payments for ES are conditional payments offered to providers (e.g. farmers or landowners) in exchange for employing management practices that enhance ES provision (Potschin & Burkhard 2015; Tacconi 2012) ^{1) 2)}. They are a monetary instrument for the maintenance and development of typically regulating ES (CO2 Sequestration, Mediation of water or soil, etc.). The customer receiving the service and paying for it can be the actual beneficiaries (Beneficiary) of the ES (citizens, companies, communities) or other stakeholders (national government, NGOs).