At this time of the year, all residents in Brazil—whether they are Brazilian nationals or not— must submit their revenue tax forms. Income tax returns are mandatory and must be sent to the Brazilian authorities between March 7 and April 30, 2019. After the joys of Carnival, the tax man cometh. It is called an “adjustment” tax return as individuals (expats, in this case) already pay income taxes throughout the year, either from their monthly salaries, or paid in regular installments (known as carnê-leão). Each Brazilian taxpayer fills out their return...