Corporations are a vehicle for shareholders to indirectly operate business and hopefully make profit. Corporate income tax is a convenient way for the various jurisdictions to indirectly collect tax and derive revenue from such profits when the business is operated with a relevant territorial nexus, without uncompetitively deterring those businesses from acquiring that nexus nor condoning abuse. In a changing business environment and in fluctuating competitive conditions between the jurisdictions, corporate income tax has to evolve. Belgium has done so; we will outline the initial position and describe the evolutions. The focus of international tax competition between states is clearly shifting. Complicated and not transparent niches are under fire from BEPS and ATAD and are getting out of fashion. To increase its international competitiveness, Belgium needed a lower nominal rate, a tax consolidation regime, and a 100% dividend received exemption. Those measures are of a nature to decrease revenue. The ... : Studi Tributari Europei, Vol 8 (2018) ...