Petr Janský took part in a high-level internal governmental workshop organized by the Czech government on 10 February 2017 about the international corporate taxation, especially about the Czech Republic’s position with regard to the European Commission’s proposed Common Consolidated Corporate Tax Base (CCCTB). In his presentation, Petr showed preliminary results from a draft COFFERS working paper as well as other existing research on both scale of international corporate tax avoidance and estimated impact of CCCTB.