This was laid down in the Interinstitutional Agreement between the Parliament, Council and Commission on budgetary discipline and sound financial management (point 22, second indent).
Tas bija noteikts Eiropas Parlamenta, Padomes un Komisijas Iestāžu nolīgumā par budžeta disciplīnu un pareizu finanšu pārvaldību (22. punkta otrais ievilkums).