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To see all available qualifiers, see our documentation.
Cnab240: http://www.bb.com.br/docs/pub/emp/empl/dwn/CbrVer04BB.pdf
Cnab240 - Sigcb: http://www.caixa.gov.br/Downloads/cobranca-caixa/Manual_Leiaute_CNAB240_SIGCB.pdf
Cnab400 - Sigcb: http://www.caixa.gov.br/Downloads/cobranca-caixa/Manual_Leiaute_CNAB400_SIGCB.pdf
Cnab400: http://download.itau.com.br/bankline/layout_cobranca_400bytes_cnab_itau_mensagem.pdf