54 If, therefore, We consider the whole structure of economic life, as We have already pointed out in Our Encyclical Quadragesimo Anno , the reign of mutual collaboration between justice and charity in social-economic relations can only be achieved by a body of professional and inter professional organizations, built on solidly Christian foundations, working together to effect, under forms adapted to different places and circumstances, what has been called the Corporation .
Source: Divini Redemptoris (Vatican.va)