For extensions and changes to the IRB approach, or to the AMA or to the IMA classified as requiring competent authorities' approval, institutions shall submit, together with the application, the following documentation:
description of the extension or change, its rationale and objective;
scope of application affected by the model extension or change, with volume characteristics;
technical and process document(s);
reports of the institutions' independent review or validation;
confirmation that the extension or change has been approved through the institution's approval processes by the competent bodies and date of approval;
where applicable, the quantitative impact of the change or extension on the risk weighted exposure amounts, or on the own funds requirements, or on the relevant risk numbers or sum of relevant own funds requirements and risk numbers;
records of the institution's current and previous version number of internal models which are subject to approval.
For extensions and changes classified as requiring notification either before or after implementation, institutions shall submit, together with the notification, the documentation referred to in points (a), (b), (c), (f) and (g) of paragraph 1.