Hvor EU-delegationschefer fungerer som anvisningsberettigede ved subdelegation efter artikel 17, stk. 2, samarbejder de tæt med Kommissionen om korrekt forvaltning af midlerne, navnlig med henblik på at sikre de finansielle transaktioners lovlighed og formelle rigtighed, respekt for princippet for forsvarlig økonomisk forvaltning ved forvaltning af midlerne og effektiv beskyttelse af Unionens finansielle interesser.
Where Heads of Union Delegations act as authorising officers by sub-delegation in accordance with the second paragraph of Article 17, they shall cooperate closely with the Commission for the proper implementation of the funds, in order to ensure, in particular, the legality and regularity of financial transactions, the respect of the principle of sound financial management in the management of the funds and the effective protection of the financial interests of the Union.