ISO/IEC 29134:2017

ISO/IEC 29134:2017 gives guidelines for
-      a process on privacy impact assessments, and
-      a structure and content of a PIA report.
It is applicable to all types and sizes of organizations, including public companies, private companies, government entities and not-for-profit organizations.
ISO/IEC 29134:2017 is relevant to those involved in designing or implementing projects, including the parties operating data processing systems and services that process PII.