This UNI/PdR defines the requirements related to the professional activities of the Sustainability Manager and Sustainability Practitioner, with the former carrying out, at management level, sustainability and corporate social responsibility activities and the latter developing and managing sustainability at an operational level. These requirements are specified, starting from the specific tasks and activities and the identification of their contents, in terms of knowledge and skills, also in order to clearly identify a level of autonomy and responsibility which is consistent with the National Qualification Framework (NQF). These requirements are also expressed in a way that facilitates and helps make homogeneous and transparent, as far as possible, the related conformity assessment processes.