the function is provided by an institution to third parties not affiliated to the institution or group; and
a sudden disruption would likely have a material negative impact on the third parties, give rise to contagion or undermine the general confidence of market participants due to the systemic relevance of the function for the third parties and the systemic relevance of the institution or group in providing the function.
Commission Delegated Regulation (EU) 2016/778 of 2 February 2016 supplementing Directive 2014/59/EU of the European Parliament and of the Council with regard to the circumstances and conditions under which the payment of extraordinary ex post contributions may be partially or entirely deferred, and on the criteria for the determination of the activities, services and operations with regard to critical functions, and for the determination of the business lines and associated services with regard to core business lines (OJ L 131, 20.5.2016, p. 41).