ATCO.AR.E.010A Changes to the information security management system

(a)With regard to changes managed and notified to the competent authority in accordance with the procedure set out in point IS.I.OR.255(a) of Annex II (Part-IS.I.OR) to Implementing Regulation (EU) 2023/203, the competent authority shall include the review of such changes in its continuing oversight in accordance with the principles laid down in point ATCO.AR.C.001. If any non-compliance is found, the competent authority shall notify the organisation thereof, request further changes and act in accordance with point ATCO.AR.C.010.

(b)With regard to other changes requiring an application for approval in accordance with point IS.I.OR.255(b) of Annex II (Part-IS.I.OR) to Implementing Regulation (EU) 2023/203:

(1)upon receiving the application for the change, the competent authority shall check the organisation’s compliance with the applicable requirements before issuing the approval;

(2)the competent authority shall establish the conditions under which the organisation may operate during the implementation of the change;

(3)if it is satisfied that the organisation complies with the applicable requirements, the competent authority shall approve the change. [Applicable from 22 February 2026 – Regulation (EU) 2023/203]