A not-for-profit association (VZW) is an association which pursues a disinterested/charitable/not-for-profit purpose, within the framework of one or more specific activities, through which it is allowed to perform economic activities.
An international not-for-profit association (IVZW) is an association which pursues an international use purpose. An International not-for-profit association only acquires legal personality after recognition by the King.
A private foundation is a foundation which has a private disinterested/charitable purpose.
A public utility foundation is a foundation which has as its disinterested/charitable purpose the performance of work of a philanthropical, ideological, religious, scientific, artistic, pedagogical or cultural nature.