some of its main functions include the planning and supervision of the federal tax administration, the proposition of improvement measures and regulations of federal tax regulation, and the monitoring of the implementation of the tax and customs policies, amongst many more.

in rio de janeiro, the  receita federal do brasil has offices in many districts including ipanema and barra da tijuca.      

the locations of many offices of the receita federal in rio de janeiro city and state are listed on this page, including for  Ipanema,   Laranjeiras, tijuca, Barra da Tijuca, campo Grande, Madureira, Méier, santo Antônio de Pádua,  São Gonçalo,  Três Rios,  Teresópolis,  Volta Redonda,  Angra dos Reis,  Barra do Piraí,  Cabo Frio,  Campos dos Goytacazes,  Duque de Caxias,  Itaguaí,  Itaperuna,  Macaé,  Niterói,  Nova Friburgo,  Nova Iguaçu,  Petrópolis,  Resende,  and Rio Bonito.