1. No incluyas el ICA en la factura electrónica. (No está bien reglamentando para Factura Electrónica y no he visto el primer caso en el que se incluya)
2. El TaxExclusiveAmount = Subtotales (sin impuestos) = Total de la factura - Impuestos (IVA e INC)
3. El siguiente es un fragmento de una factura real: con descuento de línea, con IVA e IC (impoconsumo) por ser licores.
<cac:TaxTotal>
<cbc:TaxAmount currencyID="COP">54580.73</cbc:TaxAmount>
<cac:TaxSubtotal>
<cbc:TaxableAmount currencyID="COP">1091614.50</cbc:TaxableAmount>
<cbc:TaxAmount currencyID="COP">54580.73</cbc:TaxAmount>
<cac:TaxCategory>
<cbc:Percent>5.00</cbc:Percent>
<cac:TaxScheme>
<cbc:ID>01</cbc:ID>
<cbc:Name>IVA</cbc:Name>
</cac:TaxScheme>
</cac:TaxCategory>
</cac:TaxSubtotal>
</cac:TaxTotal>
<cac:TaxTotal>
<cbc:TaxAmount currencyID="COP">388680.00</cbc:TaxAmount>
<cac:TaxSubtotal>
<cbc:TaxableAmount currencyID="COP">1091614.50</cbc:TaxableAmount>
<cbc:TaxAmount currencyID="COP">388680.00</cbc:TaxAmount>
<cac:TaxCategory>
<cac:TaxScheme>
<cbc:ID>02</cbc:ID>
<cbc:Name>IC</cbc:Name>
</cac:TaxScheme>
</cac:TaxCategory>
</cac:TaxSubtotal>
</cac:TaxTotal>
<cac:LegalMonetaryTotal>
<cbc:LineExtensionAmount currencyID="COP">1091614.50</cbc:LineExtensionAmount>
<cbc:TaxExclusiveAmount currencyID="COP">1091614.50</cbc:TaxExclusiveAmount>
<cbc:TaxInclusiveAmount currencyID="COP">1534875.23</cbc:TaxInclusiveAmount>
<cbc:PayableAmount currencyID="COP">1534875.23</cbc:PayableAmount>
</cac:LegalMonetaryTotal>
<cac:InvoiceLine>
<cbc:ID schemeID="">1</cbc:ID>
<cbc:Note>ITE_10|1620012 | 12 | 10 | 0 | 10547.00 | 13.75 | 5% | 3239.00 | 12790.63 | 12790.63</cbc:Note>
<cbc:Note>ITE_19|1534875.23</cbc:Note>
<cbc:Note>ITE_20|COP</cbc:Note>
<cbc:InvoicedQuantity unitCode="94">120.00</cbc:InvoicedQuantity>
<cbc:LineExtensionAmount currencyID="COP">1091614.50</cbc:LineExtensionAmount>
<cac:AllowanceCharge>
<cbc:ID>1</cbc:ID>
<cbc:ChargeIndicator>false</cbc:ChargeIndicator>
<cbc:MultiplierFactorNumeric>13.75</cbc:MultiplierFactorNumeric>
<cbc:Amount currencyID="COP">174025.50</cbc:Amount>
<cbc:BaseAmount currencyID="COP">1265640.00</cbc:BaseAmount>
</cac:AllowanceCharge>
<cac:TaxTotal>
<cbc:TaxAmount currencyID="COP">54580.73</cbc:TaxAmount>
<cac:TaxSubtotal>
<cbc:TaxableAmount currencyID="COP">1091614.50</cbc:TaxableAmount>
<cbc:TaxAmount currencyID="COP">54580.73</cbc:TaxAmount>
<cac:TaxCategory>
<cbc:Percent>5.00</cbc:Percent>
<cac:TaxScheme>
<cbc:ID>01</cbc:ID>
<cbc:Name>IVA</cbc:Name>
</cac:TaxScheme>
</cac:TaxCategory>
</cac:TaxSubtotal>
</cac:TaxTotal>
<cac:TaxTotal>
<cbc:TaxAmount currencyID="COP">388680.00</cbc:TaxAmount>
<cac:TaxSubtotal>
<cbc:TaxableAmount currencyID="COP">1091614.50</cbc:TaxableAmount>
<cbc:TaxAmount currencyID="COP">388680.00</cbc:TaxAmount>
<cbc:BaseUnitMeasure unitCode="94">1</cbc:BaseUnitMeasure>
<cbc:PerUnitAmount currencyID="COP">3239.00</cbc:PerUnitAmount>
<cac:TaxCategory>
<cac:TaxScheme>
<cbc:ID>02</cbc:ID>
<cbc:Name>IC</cbc:Name>
</cac:TaxScheme>
</cac:TaxCategory>
</cac:TaxSubtotal>
</cac:TaxTotal>
<cac:Item>
<cbc:Description>VINO KATICH ESPUMOSO ROSADAX750ML CJ12</cbc:Description>
<cac:StandardItemIdentification>
<cbc:ID schemeAgencyID="" schemeID="010" schemeName="">7702307110422</cbc:ID>
</cac:StandardItemIdentification>
</cac:Item>
<cac:Price>
<cbc:PriceAmount currencyID="COP">10547.00</cbc:PriceAmount>
<cbc:BaseQuantity unitCode="94">120</cbc:BaseQuantity>
</cac:Price>
</cac:InvoiceLine>