For the purposes of this Regulation, the following definitions shall apply:

(1) "deferral period" means a period of up to six months;

(2) "function" means a structured set of activities, services or operations that are delivered by the institution or group to third parties irrespective from the internal organisation of the institution;

(3) "business line" means as a structured set of activities, processes or operations that are developed by the institution or group for third parties to achieve the organisation's goals.