The relevant authority must have in place a system for advising beneficiaries on land management and farm management (“farm advisory system”). That farm advisory system shall be operated by designated public bodies and/or selected private bodies. That system shall cover the agricultural practices beneficial for the climate and the environment laid down in Chapter 3 of Title III of Regulation (EU) No 1307/2013 and the maintenance of the agricultural area as referred to in point (c) of Article 4(1) of that Regulation.”.