መሰረታዊው ሰነዶቹ የሚሻሻሉት፤ የሚሰረዙትም፤ የሚለወጡትም በአባላት ጠቅላላ ብሄራዊ አገራዊ ጉባኤ ብቻ ይሆናል።
It is fixed in the Own Resources Decision which can only be changed by unanimity and needs ratification by the national parliaments.