The agreement on the Financial Perspective has been accompanied every time by the negotiation of an Interinstitutional Agreement between the Commission, Parliament and the Council of Ministers.
Katru reizi, apspriežot Iestāžu nolīgumu starp Eiropas Komisiju, Eiropas Parlamentu un Ministru Padomi, tika papildināta vienošanās par finanšu plānu.