An activity in which the service provider under an outsourcing arrangement further transfers an outsourced function to another service provider. Derived from: EBA Final Report Draft Guidelines on outsourcing arrangements, 2019. Generally, the terms sub-outsourcing and subcontracting are synonymous. The term may have specific meaning within the context of individual regulations. (See also outsourcing terms: outsourcer, second party, third party, fourth party, Nth party, vendor.)
