Brazil's Federal Revenue Department (RFB) has issued Interpretative Declaratory Act No. 4 of 13 April 2017, which clarifies the exemption from withholding tax on international transport service income under tax treaties or other transport tax agreements. Brazil applies a standard withholding tax of 15% on income paid abroad, and under various past rulings, the RFB has provided inconsistent interpretations on the types of transport related income that qualify as profit exempt under applicable…