ISO/TR 52000-2:2017 refers to the overarching EPB-standard, ISO 52000‑1^[1].

It contains information to support the correct understanding, use and national implementation of ISO 52000‑1. This includes:

- explanation on the procedures and background information and justification of the choices that have been made;

- reporting on validation of calculation procedures given in the standard;

- explanation for the user and for national standards writers involved with implementation of the set of EPB standards, including detailed examples.