www.tmf-group.com/en/news-insights/articles/2017/october/brazil-central-bank-rules/
www.legisweb.com.br/legislacao/?id=348782
www.bcb.gov.br/pre/normativos/busca/normativo.asp?tipo=Resolu%C3%A7%C3%A3o&data=2017&numero=4567
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www.tmf-group.com/en/news-insights/articles/2017/october/brazil-central-bank-rules/
www.legisweb.com.br/legislacao/?id=348782
www.bcb.gov.br/pre/normativos/busca/normativo.asp?tipo=Resolu%C3%A7%C3%A3o&data=2017&numero=4567