Although Brazil is known for its complex tax laws that make compliance a difficult task in the country, it is undeniable that the Continuous Transaction Control (CTC) system implemented more than a decade ago is one of the most stable in the world.
However, even a sophisticated CTC system continues to evolve and mature, and as a result legal changes and technical updates happen quite often in Brazil. In December 2020 the Brazilian tax authorities changed the premise for cancellation and correction of NF-es and buyer’s responses.
Source: SOVOS
