Acts 2017 498 scope, context and purposes, every controller or processor shall, prior to the processing, carry out an assessment of the impact of the envisaged processing operations on the protection of personal data. (2) (3) The processing operations referred to in subsection (1) are – (a) a systematic and extensive evaluation of personal aspects relating to individuals which is based on automated processing, including profiling, and on which decisions are based that produce legal effects concerning the individual or significantly affect the individual; (b) processing on a large scale of special categories of data referred to in section 29; (c) a systematic monitoring of a publicly accessible area on a large scale; (d) any other processing operations for which consultation with the Office is required. An assessment shall include – (a) a systematic description of the envisaged processing operations and the purposes of the processing, including, where applicable, the legitimate interest pursued by the controller or processor; (b) an assessment of the necessity and proportionality of the processing operations in relation to the purposes; (c) an assessment of the risks to the rights and freedoms of data subjects; (d) the measures envisaged to address the risks and the safeguards, security measures and mechanisms to ensure the protection of personal data and to demonstrate compliance with this Act, taking into account the rights and legitimate interests of data subjects and other persons concerned.