Sergio André published a series of articles at the electronic journal Conjur dealing with tax reform in Brazil. These are the links to the articles, which were written in Portuguese: Article 1: Justice is one of the pillars of an ideal tax reform; Article 2: Tax reform proposal No. 45: Um proposal, several taxes; Article 3: The federative issue is at the center of the constitutional discussion about the IBS; Article 4: Reducing the number of taxes does not mean, necessarily, simplification; and Article 5: The Tax on Goods and Services (IBS) proposed in PEC 45.