xml support document

FossilOrigin-Name: 4d1f4e81f2527a0c4ba735f4f5edc8bc8dfebff2365e8e2ee91d4cd435acecf8

facho/fe/data/dian/codelist/TipoDocumento-2.1.gc

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- DIAN Genericode listas de valores:: Ultima modificación 18-02-2019 - evb-->
+<!-- DIAN Genericode listas de valores: Ultima modificación 03-04-2022 - wcbr-->
 <gc:CodeList xmlns:gc="http://docs.oasis-open.org/codelist/ns/genericode/1.0/">
 	<Identification>
 		<ShortName>TipoDocumento</ShortName>
@@ -35,7 +35,10 @@
 				<SimpleValue>01</SimpleValue>
 			</Value>
 			<Value ColumnRef="name">
-				<SimpleValue>Factura de Venta Nacional</SimpleValue>
+				<SimpleValue>Factura electrónica de Venta</SimpleValue>
+			</Value>
+			<Value ColumnRef="description">
+				<SimpleValue>Tipos de factura</SimpleValue>
 			</Value>
 		</Row>
 		<Row>
@@ -43,7 +46,10 @@
 				<SimpleValue>02</SimpleValue>
 			</Value>
 			<Value ColumnRef="name">
-				<SimpleValue>Factura de Exportación </SimpleValue>
+				<SimpleValue>Factura electrónica de venta con propósito de exportación</SimpleValue>
+			</Value>
+			<Value ColumnRef="description">
+				<SimpleValue>Tipos de factura</SimpleValue>
 			</Value>
 		</Row>
 		<Row>
@@ -51,7 +57,21 @@
 				<SimpleValue>03</SimpleValue>
 			</Value>
 			<Value ColumnRef="name">
-				<SimpleValue>Factura de Contingencia</SimpleValue>
+				<SimpleValue>Factura de talonario o papel con numeración de contingencia.</SimpleValue>
+			</Value>
+			<Value ColumnRef="description">
+				<SimpleValue>Tipos de factura</SimpleValue>
+			</Value>
+		</Row>
+		<Row>
+			<Value ColumnRef="code">
+				<SimpleValue>04</SimpleValue>
+			</Value>
+			<Value ColumnRef="name">
+				<SimpleValue>Factura electrónica de Venta  por Contingencia DIAN</SimpleValue>
+			</Value>
+			<Value ColumnRef="description">
+				<SimpleValue>Tipos de factura</SimpleValue>
 			</Value>
 		</Row>
 		<Row>
@@ -61,6 +81,9 @@
 			<Value ColumnRef="name">
 				<SimpleValue>Nota Crédito</SimpleValue>
 			</Value>
+			<Value ColumnRef="description">
+				<SimpleValue>Exclusivo en referencias a documentos (elementos DocumentReference)</SimpleValue>
+			</Value>
 		</Row>
 		<Row>
 			<Value ColumnRef="code">
@@ -69,6 +92,31 @@
 			<Value ColumnRef="name">
 				<SimpleValue>Nota Débito</SimpleValue>
 			</Value>
+			<Value ColumnRef="description">
+				<SimpleValue>Exclusivo en referencias a documentos (elementos DocumentReference)</SimpleValue>
+			</Value>
+		</Row>
+		<Row>
+			<Value ColumnRef="code">
+				<SimpleValue>05</SimpleValue>
+			</Value>
+			<Value ColumnRef="name">
+				<SimpleValue>Documento soporte en adquisiciones efectuadas a sujetos no obligados a expedir factura o documento equivalente</SimpleValue>
+			</Value>
+			<Value ColumnRef="description">
+				<SimpleValue>Tipo de documento</SimpleValue>
+			</Value>
+		</Row>
+		<Row>
+			<Value ColumnRef="code">
+				<SimpleValue>95</SimpleValue>
+			</Value>
+			<Value ColumnRef="name">
+				<SimpleValue>Nota de ajuste al documento soporte en adquisiciones efectuadas a sujetos no obligados a expedir factura o documento equivalente</SimpleValue>
+			</Value>
+			<Value ColumnRef="description">
+				<SimpleValue>Exclusivo en referencias a documentos (elementos DocumentReference)</SimpleValue>
+			</Value>
 		</Row>
 	</SimpleCodeList>	
 </gc:CodeList>

facho/fe/fe.py

@@ -122,8 +122,14 @@ class DianXMLExtensionCUDFE(FachoXMLExtension):
         fachoxml.set_element('./cbc:UUID', cufe,
                              schemeID=self.tipo_ambiente,
                              schemeName=self.schemeName())
-        #DIAN 1.8.-2021: FAD03
+
-        fachoxml.set_element('./cbc:ProfileID', 'DIAN 2.1: Factura Electrónica de Venta')
+        if self.schemeName() == "CUDS-SHA384":
+            fachoxml.set_element('./cbc:ProfileID', 'DIAN 2.1: documento soporte en adquisiciones efectuadas a no obligados a facturar.')
+        else:
+            fachoxml.set_element('./cbc:ProfileID', 'DIAN 2.1: Factura Electrónica de Venta')
+
+        # #DIAN 1.8.-2021: FAD03
+        # fachoxml.set_element('./cbc:ProfileID', 'DIAN 2.1: Factura Electrónica de Venta')
         fachoxml.set_element('./cbc:ProfileExecutionID', self._tipo_ambiente_int())
         #DIAN 1.7.-2020: FAB36
         fachoxml.set_element('./ext:UBLExtensions/ext:UBLExtension/ext:ExtensionContent/sts:DianExtensions/sts:QRCode',
@@ -246,6 +252,39 @@ class DianXMLExtensionCUDE(DianXMLExtensionCUDFE):
             '%d' % build_vars['TipoAmb'],
         ]
 
+class DianXMLExtensionCUDS(DianXMLExtensionCUDFE):
+    def __init__(self, invoice, software_pin, tipo_ambiente = AMBIENTE_PRUEBAS):
+        self.tipo_ambiente = tipo_ambiente
+        self.software_pin = software_pin
+        self.invoice = invoice
+
+    def schemeName(self):
+        return 'CUDS-SHA384'
+
+    def buildVars(self):
+        build_vars = super().buildVars()
+        build_vars['Software-PIN'] = str(self.software_pin)
+        return build_vars
+
+    def formatVars(self):
+        build_vars = self.buildVars()
+        CodImpuesto1 = build_vars['CodImpuesto1']
+        CodImpuesto2 = build_vars['CodImpuesto2']
+        CodImpuesto3 = build_vars['CodImpuesto3']
+        return [
+            '%s' % build_vars['NumFac'],
+            '%s' % build_vars['FecFac'],
+            '%s' % build_vars['HoraFac'],
+            form.Amount(build_vars['ValorBruto']).truncate_as_string(2),
+            CodImpuesto1,
+            form.Amount(build_vars['ValorImpuestoPara'].get(CodImpuesto1, 0.0)).truncate_as_string(2),
+            form.Amount(build_vars['ValorTotalPagar']).truncate_as_string(2),
+            '%s' % build_vars['NitOFE'],
+            '%s' % build_vars['NumAdq'],            
+            '%s' % build_vars['Software-PIN'],
+            '%d' % build_vars['TipoAmb'],
+        ]
+    
 class DianXMLExtensionSoftwareProvider(FachoXMLExtension):
     # RESOLUCION 0004: pagina 108
 

facho/fe/form/__init__.py

@@ -210,6 +210,10 @@ class City:
             raise ValueError("code [%s] not found" % (self.code))
         self.name = codelist.Municipio[self.code]['name']
 
+@dataclass
+class PostalZone:
+    code: str = ''
+        
 @dataclass
 class Address:
     name: str
@@ -217,6 +221,7 @@ class Address:
     city: City = City('05001')
     country: Country = Country('CO')
     countrysubentity: CountrySubentity = CountrySubentity('05')
+    postalzone: PostalZone = PostalZone('')
 
 @dataclass
 class PartyIdentification:
@@ -735,3 +740,5 @@ class DebitNote(Invoice):
         if not self.invoice_ident_prefix:
             self.invoice_ident_prefix = self.invoice_ident[0:6]
 
+class SupportDocument(Invoice):
+    pass

facho/fe/form_xml/__init__.py

@@ -3,3 +3,4 @@ from .credit_note import *
 from .debit_note import *
 from .utils import *
 from .attached_document import *
+from .support_document import *

facho/fe/form_xml/support_document.py

@@ -0,0 +1,509 @@
+from .. import fe
+from ..form import *
+from datetime import datetime, date
+from .attached_document import *
+
+__all__ = ['DIANInvoiceSupportDocumentXML']
+
+class DIANInvoiceSupportDocumentXML(fe.FeXML):
+    """
+    DianSupportDocumentXML mapea objeto form.Invoice a XML segun
+    lo indicado para él Documento soporte en adquisiciones efectuadas con sujetos no obligados a expedir factura de venta o documento equivalente.
+    """
+
+    def __init__(self, invoice, tag_document = 'Invoice'):
+        super().__init__(tag_document, 'http://www.dian.gov.co/contratos/facturaelectronica/v1')
+
+        #DIAN 1.1.-2021: DSAB03
+        #DIAN 1.1.-2021: NSAB03
+        self.placeholder_for('./ext:UBLExtensions/ext:UBLExtension/ext:ExtensionContent/sts:DianExtensions/sts:InvoiceControl')
+
+        #DIAN 1.1.-2021: DSAB13
+        #DIAN 1.1.-2021: NSAB13        
+        self.placeholder_for('./ext:UBLExtensions/ext:UBLExtension/ext:ExtensionContent/sts:DianExtensions/sts:InvoiceSource')
+
+        #DIAN 1.1.-2021: DSAB18
+        #DIAN 1.1.-2021: NSAB18                
+        self.placeholder_for('./ext:UBLExtensions/ext:UBLExtension/ext:ExtensionContent/sts:DianExtensions/sts:SoftwareProvider')
+
+        #DIAN 1.1.-2021: DSAB27
+        #DIAN 1.1.-2021: NSAB27        
+        self.placeholder_for('./ext:UBLExtensions/ext:UBLExtension/ext:ExtensionContent/sts:DianExtensions/sts:SoftwareSecurityCode')
+
+        #DIAN 1.1.-2021: DSAB30 DSAB31
+        #DIAN 1.1.-2021: NSAB30 NSAB31
+        self.placeholder_for('./ext:UBLExtensions/ext:UBLExtension/ext:ExtensionContent/sts:DianExtensions/sts:AuthorizationProvider/sts:AuthorizationProviderID')
+        
+        #ZE02 se requiere existencia para firmar
+        #DIAN 1.1.-2021: DSAA02 DSAB01
+        #DIAN 1.1.-2021: NSAA02 NSAB01        
+        ublextension = self.fragment('./ext:UBLExtensions/ext:UBLExtension', append=True)
+        #DIAN 1.1.-2021: DSAB02
+        #DIAN 1.1.-2021: NSAB02        
+        extcontent = ublextension.find_or_create_element('/ext:UBLExtension/ext:ExtensionContent')
+        self.attach_invoice(invoice)
+
+    def set_supplier(fexml, invoice):
+        #DIAN 1.1.-2021: DSAJ01       
+        #DIAN 1.1.-2021: NSAB01
+        fexml.placeholder_for('./cac:AccountingSupplierParty')
+
+        #DIAN 1.1.-2021: DSAJ02
+        #DIAN 1.1.-2021: NSAJ02
+        fexml.set_element('./cac:AccountingSupplierParty/cbc:AdditionalAccountID',
+                          invoice.invoice_supplier.organization_code)
+
+        #DIAN 1.1.-2021: DSAJ07 DSAJ08
+        #DIAN 1.1.-2021: NSAJ07 NSAJ08        
+        fexml.placeholder_for('./cac:AccountingSupplierParty/cac:Party/cac:PhysicalLocation/cac:Address')
+
+        #DIAN 1.1.-2021: DSAJ09
+        #DIAN 1.1.-2021: NSAJ09        
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PhysicalLocation/cac:Address/cbc:ID',
+                          invoice.invoice_supplier.address.city.code)
+
+        #DIAN 1.1.-2021: DSAJ10
+        #DIAN 1.1.-2021: NSAJ10        
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PhysicalLocation/cac:Address/cbc:CityName',
+                          invoice.invoice_supplier.address.city.name)
+
+        #DIAN 1.1.-2021: DSAJ73
+        #DIAN 1.1.-2021: NSAJ73        
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PhysicalLocation/cac:Address/cbc:PostalZone',
+                          invoice.invoice_supplier.address.postalzone.code)
+
+        #DIAN 1.1.-2021: DSAJ11
+        #DIAN 1.1.-2021: NSAJ11 
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PhysicalLocation/cac:Address/cbc:CountrySubentity',
+                          invoice.invoice_supplier.address.countrysubentity.name)
+
+        #DIAN 1.1.-2021: DSAJ12
+        #DIAN 1.1.-2021: NSAJ12
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PhysicalLocation/cac:Address/cbc:CountrySubentityCode',
+                          invoice.invoice_supplier.address.countrysubentity.code)
+
+        #DIAN 1.1.-2021: DSAJ13 DSAJ14
+        #DIAN 1.1.-2021: NSAJ13 NSAJ14
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PhysicalLocation/cac:Address/cac:AddressLine/cbc:Line',
+                          invoice.invoice_supplier.address.street)
+
+        #DIAN 1.1.-2021: DSAJ15 DSAJ16
+        #DIAN 1.1.-2021: NSAJ15 NSAJ16
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PhysicalLocation/cac:Address/cac:Country/cbc:IdentificationCode',
+                          invoice.invoice_supplier.address.country.code)
+
+        #DIAN 1.1.-2021: DSAJ17
+        #DIAN 1.1.-2021: NSAJ17
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PhysicalLocation/cac:Address/cac:Country/cbc:Name',
+                          invoice.invoice_supplier.address.country.name,
+                          #DIAN 1.1.-2021: DSAJ18
+                          #DIAN 1.1.-2021: NSAJ18
+                          languageID = 'es')
+
+
+        supplier_company_id_attrs = fe.SCHEME_AGENCY_ATTRS.copy()
+        supplier_company_id_attrs.update({'schemeID': invoice.invoice_supplier.ident.dv,
+                                          'schemeName': invoice.invoice_supplier.ident.type_fiscal})
+
+        #DIAN 1.1.-2021: DSAJ19
+        #DIAN 1.1.-2021: NSAJ19
+        fexml.placeholder_for('./cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme')
+
+        #DIAN 1.1.-2021: DSAJ20
+        #DIAN 1.1.-2021: NSAJ20
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cbc:RegistrationName',
+                          invoice.invoice_supplier.legal_name)
+
+        #DIAN 1.1.-2021: DSAJ21
+        #DIAN 1.1.-2021: NSAJ21
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cbc:CompanyID',
+                          invoice.invoice_supplier.ident,
+                          #DIAN 1.1.-2021: DSAJ22 DSAJ23 DSAJ24 DSAJ25
+                          #DIAN 1.1.-2021: NSAJ22 NSAJ23 NSAJ24 NSAJ25
+                          **supplier_company_id_attrs)
+
+        #DIAN 1.1.-2021: DSAJ26
+        #DIAN 1.1.-2021: NSAJ26        
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cbc:TaxLevelCode',
+                          invoice.invoice_supplier.responsability_code,
+                          listName=invoice.invoice_supplier.responsability_regime_code)
+
+        #DIAN 1.1.-2021: DSAJ39
+        #DIAN 1.1.-2021: NSAJ39
+        fexml.placeholder_for('./cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme')
+
+        #DIAN 1.1.-2021: DSAJ40
+        #DIAN 1.1.-2021: NSAJ40
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme/cbc:ID',
+                          invoice.invoice_customer.tax_scheme.code)
+
+        #DIAN 1.1.-2021: DSAJ41
+        #DIAN 1.1.-2021: NSAJ41        
+        fexml.set_element('./cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme/cbc:Name',
+                          invoice.invoice_customer.tax_scheme.name)
+
+
+    def set_customer(fexml, invoice):
+        #DIAN 1.1.-2021: DSAK01
+        #DIAN 1.1.-2021: NSAK01
+        fexml.placeholder_for('./cac:AccountingCustomerParty')
+        
+        #DIAN 1.1.-2021: DSAK02
+        #DIAN 1.1.-2021: NSAK02
+        fexml.set_element('./cac:AccountingCustomerParty/cbc:AdditionalAccountID',
+                          invoice.invoice_customer.organization_code)
+        
+        #DIAN 1.1.-2021: DSAK03
+        #DIAN 1.1.-2021: NSAK03
+        fexml.placeholder_for('./cac:AccountingCustomerParty/cac:Party')
+
+        #DIAN 1.1.-2021: DSAK19
+        #DIAN 1.1.-2021: NSAK19        
+        fexml.placeholder_for('./cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme')
+
+        #DIAN 1.1.-2021: DSAK20
+        #DIAN 1.1.-2021: NSAK20
+        fexml.set_element('./cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cbc:RegistrationName',
+                          invoice.invoice_customer.legal_name)
+
+        customer_company_id_attrs = fe.SCHEME_AGENCY_ATTRS.copy()
+        customer_company_id_attrs.update({'schemeID': invoice.invoice_customer.ident.dv,
+                                           'schemeName': invoice.invoice_customer.ident.type_fiscal})
+        
+        #DIAN 1.1.-2021: DSAK21
+        #DIAN 1.1.-2021: NSAK21
+        fexml.set_element('./cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cbc:CompanyID',
+                          invoice.invoice_customer.ident,
+                          #DIAN 1.1.-2021: DSAK22 DSAK23 DSAK24 DSAK25
+                          #DIAN 1.1.-2021: NSAK22 NSAK23 NSAK24 NSAK25
+                          **customer_company_id_attrs)
+
+        #DIAN 1.1.-2021: DSAK26
+        #DIAN 1.1.-2021: NSAK26
+        fexml.set_element('./cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cbc:TaxLevelCode',
+                          invoice.invoice_customer.responsability_code)
+
+        #DIAN 1.1.-2021: DSAK39
+        #DIAN 1.1.-2021: NSAK39
+        fexml.placeholder_for('./cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme')
+
+        #DIAN 1.1.-2021: DSAK40
+        #DIAN 1.1.-2021: NSAK40
+        fexml.set_element('./cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme/cbc:ID',
+                          invoice.invoice_customer.tax_scheme.code)
+
+        #DIAN 1.1.-2021: DSAK41
+        #DIAN 1.1.-2021: NSAK41
+        fexml.set_element('./cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme/cbc:Name',
+                          invoice.invoice_customer.tax_scheme.name)
+
+
+    def set_payment_mean(fexml, invoice):
+        payment_mean = invoice.invoice_payment_mean
+
+        #DIAN 1.1.-2021: DSAN01 DSAN02
+        #DIAN 1.1.-2021: NSAN02 NSAN02
+        fexml.set_element('./cac:PaymentMeans/cbc:ID', payment_mean.id)
+
+        #DIAN 1.1.-2021: DSAN03
+        #DIAN 1.1.-2021: NSAN03
+        fexml.set_element('./cac:PaymentMeans/cbc:PaymentMeansCode', payment_mean.code)
+
+        #DIAN 1.1.-2021: DSAN04
+        #DIAN 1.1.-2021: NSAN04        
+        fexml.set_element('./cac:PaymentMeans/cbc:PaymentDueDate', payment_mean.due_at.strftime('%Y-%m-%d'))
+
+        #DIAN 1.1.-2021: DSAN05
+        #DIAN 1.1.-2021: NSAN05
+        fexml.set_element('./cac:PaymentMeans/cbc:PaymentID', payment_mean.payment_id)
+
+    def set_element_amount_for(fexml, xml, xpath, amount):
+        if not isinstance(amount, Amount):
+            raise TypeError("amount not is Amount")
+
+        xml.set_element(xpath, amount, currencyID=amount.currency.code)
+
+    def set_element_amount(fexml, xpath, amount):
+        if not isinstance(amount, Amount):
+            raise TypeError("amount not is Amount")
+
+        fexml.set_element(xpath, amount, currencyID=amount.currency.code)
+
+    def set_legal_monetary(fexml, invoice):
+        #DIAN 1.1.-2021: DSAU01 DSAU02 DSAU03
+        #DIAN 1.1.-2021: NSAU01 NSAU02 NSAU03
+        fexml.set_element_amount('./cac:LegalMonetaryTotal/cbc:LineExtensionAmount',
+                                 invoice.invoice_legal_monetary_total.line_extension_amount)
+
+        #DIAN 1.1.-2021: DSAU04 DSAU05
+        #DIAN 1.1.-2021: NSAU04 NSAU05
+        fexml.set_element_amount('./cac:LegalMonetaryTotal/cbc:TaxExclusiveAmount',
+                                invoice.invoice_legal_monetary_total.tax_exclusive_amount)
+
+        #DIAN 1.1.-2021: DSAU06 DSAU07
+        #DIAN 1.1.-2021: NSAU06 DSAU07
+        fexml.set_element_amount('./cac:LegalMonetaryTotal/cbc:TaxInclusiveAmount',
+                                invoice.invoice_legal_monetary_total.tax_inclusive_amount)
+
+        #DIAN 1.1.-2021: DSAU10 DSAU11
+        #DIAN 1.1.-2021: NSAU10 DSAU11
+        fexml.set_element_amount('./cac:LegalMonetaryTotal/cbc:ChargeTotalAmount',
+                                invoice.invoice_legal_monetary_total.charge_total_amount)
+
+        #DIAN 1.1.-2021: DSAU14 DSAU15
+        #DIAN 1.1.-2021: NSAU14 DSAU15
+        fexml.set_element_amount('./cac:LegalMonetaryTotal/cbc:PayableAmount',
+                                invoice.invoice_legal_monetary_total.payable_amount)
+
+
+    def _set_invoice_document_reference(fexml, reference):
+        fexml._do_set_billing_reference(reference, 'cac:InvoiceDocumentReference')
+
+    def _set_credit_note_document_reference(fexml, reference):
+        fexml._do_set_billing_reference(reference, 'cac:CreditNoteDocumentReference')
+
+    def _set_debit_note_document_reference(fexml, reference):
+        fexml._do_set_billing_reference(reference, 'cac:DebitNoteDocumentReference')
+
+    def _do_set_billing_reference(fexml, reference, tag_document):
+
+        if tag_document == 'Invoice':
+            schemeName = 'CUFE-SHA384'
+        else:
+            schemeName = 'CUDS-SHA384'
+            
+        fexml.set_element('./cac:BillingReference/%s/cbc:ID' %(tag_document),
+                          reference.ident)
+        fexml.set_element('./cac:BillingReference/cac:InvoiceDocumentReference/cbc:UUID',
+                          reference.uuid,
+                          schemeName=schemeName)
+        fexml.set_element('./cac:BillingReference/cac:InvoiceDocumentReference/cbc:IssueDate',
+                          reference.date.strftime("%Y-%m-%d"))
+
+    def set_billing_reference(fexml, invoice):
+        reference = invoice.invoice_billing_reference
+        if reference is None:
+            return
+
+        if isinstance(reference, DebitNoteDocumentReference):
+            return fexml._set_debit_note_document_reference(reference)
+        if isinstance(reference, CreditNoteDocumentReference):
+            return fexml._set_credit_note_document_reference(reference)
+
+        if isinstance(reference, InvoiceDocumentReference):
+            return fexml._set_invoice_document_reference(reference)
+
+    def set_discrepancy_response(fexml, invoice):
+        reference = invoice.invoice_discrepancy_response
+        if reference is None:
+            return
+
+        if isinstance(reference, DebitNoteDocumentReference):
+            return fexml._set_debit_note_document_reference(reference)
+        if isinstance(reference, CreditNoteDocumentReference):
+            return fexml._set_credit_note_document_reference(reference)
+
+        if isinstance(reference, InvoiceDocumentReference):
+            return fexml._set_invoice_document_reference(reference)
+
+        fexml.set_element('./cac:DiscrepancyResponse/cbc:ReferenceID',
+                          reference.ident)
+        fexml.set_element('./cac:DiscrepancyResponse/cbc:ResponseCode:UUID',
+                          '1')
+        fexml.set_element('./cac:DiscrepancyResponse/cbc:Description',
+                          'Test')        
+
+    def set_invoice_totals(fexml, invoice):
+        tax_amount_for = defaultdict(lambda: defaultdict(lambda: Amount(0.0)))
+        percent_for = defaultdict(lambda: None)
+
+        total_tax_amount = Amount(0.0)
+
+        for invoice_line in invoice.invoice_lines:
+            for subtotal in invoice_line.tax.subtotals:
+                if subtotal.scheme is not None:
+                    tax_amount_for[subtotal.scheme.code]['tax_amount'] += subtotal.tax_amount
+                    tax_amount_for[subtotal.scheme.code]['taxable_amount'] += invoice_line.taxable_amount
+
+                    # MACHETE ojo InvoiceLine.tax pasar a Invoice
+                    percent_for[subtotal.scheme.code] = subtotal.percent
+
+                total_tax_amount += subtotal.tax_amount
+
+        if total_tax_amount != Amount(0.0):
+            fexml.placeholder_for('./cac:TaxTotal')
+            fexml.set_element_amount('./cac:TaxTotal/cbc:TaxAmount',
+                    total_tax_amount)
+
+        
+        for index, item in enumerate(tax_amount_for.items()):
+            cod_impuesto, amount_of = item
+            next_append = index > 0
+
+            #DIAN 1.7.-2020: FAS01
+            line = fexml.fragment('./cac:TaxTotal', append=next_append)
+            #DIAN 1.7.-2020: FAU06
+            tax_amount = amount_of['tax_amount']
+            fexml.set_element_amount_for(line,
+                                         '/cac:TaxTotal/cbc:TaxAmount',
+                                         tax_amount)
+
+            #DIAN 1.7.-2020: FAS05
+            fexml.set_element_amount_for(line,
+                                         '/cac:TaxTotal/cac:TaxSubtotal/cbc:TaxableAmount',
+                                         amount_of['taxable_amount'])
+
+            #DIAN 1.7.-2020: FAU06
+            fexml.set_element_amount_for(line,
+                                         '/cac:TaxTotal/cac:TaxSubtotal/cbc:TaxAmount',
+                                         amount_of['tax_amount'])
+
+            #DIAN 1.7.-2020: FAS07
+            if percent_for[cod_impuesto]:
+                line.set_element('/cac:TaxTotal/cac:TaxSubtotal/cbc:Percent',
+                                 percent_for[cod_impuesto])
+
+
+            if percent_for[cod_impuesto]:
+                line.set_element('/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cbc:Percent',
+                                 percent_for[cod_impuesto])
+                
+            line.set_element('/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:ID',
+                    cod_impuesto)
+            line.set_element('/cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:Name',
+                    'IVA')
+  
+    # abstract method
+    def tag_document(fexml):
+        return 'Invoice'
+
+    # abstract method
+    def tag_document_concilied(fexml):
+        return 'Invoiced'
+
+    def set_invoice_line_tax(fexml, line, invoice_line):
+        fexml.set_element_amount_for(line,
+                                     './cac:TaxTotal/cbc:TaxAmount',
+                                     invoice_line.tax_amount)
+
+        #DIAN 1.7.-2020: FAX05
+        fexml.set_element_amount_for(line,
+                                     './cac:TaxTotal/cac:TaxSubtotal/cbc:TaxableAmount',
+                                     invoice_line.taxable_amount)
+        for subtotal in invoice_line.tax.subtotals:
+            line.set_element('./cac:TaxTotal/cac:TaxSubtotal/cbc:TaxAmount', subtotal.tax_amount, currencyID='COP')
+
+            if subtotal.percent is not None:
+                line.set_element('./cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cbc:Percent', '%0.2f' % round(subtotal.percent, 2))
+
+            if subtotal.scheme is not None:
+                #DIAN 1.7.-2020: FAX15
+                line.set_element('./cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:ID', subtotal.scheme.code)
+                line.set_element('./cac:TaxTotal/cac:TaxSubtotal/cac:TaxCategory/cac:TaxScheme/cbc:Name', subtotal.scheme.name)
+    
+    def set_invoice_lines(fexml, invoice):
+        next_append = False
+        for index, invoice_line in enumerate(invoice.invoice_lines):
+            line = fexml.fragment('./cac:%sLine' % (fexml.tag_document()), append=next_append)
+            next_append = True
+
+            line.set_element('./cbc:ID', index + 1)
+            line.set_element('./cbc:%sQuantity' % (fexml.tag_document_concilied()), invoice_line.quantity, unitCode = 'NAR')
+            fexml.set_element_amount_for(line,
+                                         './cbc:LineExtensionAmount',
+                                         invoice_line.total_amount)
+
+            period = line.fragment('./cac:InvoicePeriod')
+            period.set_element('./cbc:StartDate',
+                               datetime.now().strftime('%Y-%m-%d'))
+            period.set_element('./cbc:DescriptionCode',
+                               '1')
+            period.set_element('./cbc:Description',
+                               'Por operación')
+
+            if not isinstance(invoice_line.tax, TaxTotalOmit):
+                fexml.set_invoice_line_tax(line, invoice_line)
+
+            line.set_element('./cac:Item/cbc:Description', invoice_line.item.description)
+
+            line.set_element('./cac:Item/cac:StandardItemIdentification/cbc:ID',
+                             invoice_line.item.id,
+                             schemeID=invoice_line.item.scheme_id,
+                             schemeName=invoice_line.item.scheme_name,
+                             schemeAgencyID=invoice_line.item.scheme_agency_id)
+
+            line.set_element('./cac:Price/cbc:PriceAmount', invoice_line.price.amount, currencyID=invoice_line.price.amount.currency.code)
+            #DIAN 1.7.-2020: FBB04
+            line.set_element('./cac:Price/cbc:BaseQuantity',
+                             invoice_line.price.quantity,
+                             unitCode=invoice_line.quantity.code)
+
+            for idx, charge in enumerate(invoice_line.allowance_charge):
+                next_append_charge = idx > 0
+                fexml.append_allowance_charge(line, index + 1, charge, append=next_append_charge)
+                
+    def set_allowance_charge(fexml, invoice):
+        for idx, charge in enumerate(invoice.invoice_allowance_charge):
+            next_append = idx > 0
+            fexml.append_allowance_charge(fexml, idx + 1, charge, append=next_append)
+
+    def append_allowance_charge(fexml, parent, idx, charge, append=False):
+            line = parent.fragment('./cac:AllowanceCharge', append=append)
+            #DIAN 1.7.-2020: FAQ02
+            line.set_element('./cbc:ID', idx)
+            #DIAN 1.7.-2020: FAQ03
+            line.set_element('./cbc:ChargeIndicator', str(charge.charge_indicator).lower())
+            if charge.reason:
+                line.set_element('./cbc:AllowanceChargeReasonCode', charge.reason.code)
+                line.set_element('./cbc:allowanceChargeReason', charge.reason.reason)
+            line.set_element('./cbc:MultiplierFactorNumeric', str(round(charge.multiplier_factor_numeric, 2)))
+            fexml.set_element_amount_for(line, './cbc:Amount', charge.amount)
+            fexml.set_element_amount_for(line, './cbc:BaseAmount', charge.base_amount)
+            
+    def attach_invoice(fexml, invoice):
+        """adiciona etiquetas a FEXML y retorna FEXML
+        en caso de fallar validacion retorna None"""
+
+        fexml.placeholder_for('./ext:UBLExtensions')
+        fexml.set_element('./cbc:UBLVersionID', 'UBL 2.1')
+        fexml.set_element('./cbc:CustomizationID', invoice.invoice_operation_type)
+        fexml.placeholder_for('./cbc:ProfileID')
+        fexml.placeholder_for('./cbc:ProfileExecutionID')
+        fexml.set_element('./cbc:ID', invoice.invoice_ident)
+        fexml.placeholder_for('./cbc:UUID')
+        fexml.set_element('./cbc:DocumentCurrencyCode', 'COP')
+        fexml.set_element('./cbc:IssueDate', invoice.invoice_issue.strftime('%Y-%m-%d'))
+        #DIAN 1.7.-2020: FAD10
+        fexml.set_element('./cbc:IssueTime', invoice.invoice_issue.strftime('%H:%M:%S-05:00'))
+        fexml.set_element('./cbc:%sTypeCode' % (fexml.tag_document()),
+                        invoice.invoice_type_code,
+                        listAgencyID='195',
+                        listAgencyName='No matching global declaration available for the validation root',
+                        listURI='http://www.dian.gov.co')
+        fexml.set_element('./cbc:LineCountNumeric', len(invoice.invoice_lines))
+        fexml.set_element('./cac:%sPeriod/cbc:StartDate' % (fexml.tag_document()),
+                          invoice.invoice_period_start.strftime('%Y-%m-%d'))
+
+        fexml.set_element('./cac:%sPeriod/cbc:EndDate' % (fexml.tag_document()),
+                          invoice.invoice_period_end.strftime('%Y-%m-%d'))
+
+        fexml.customize(invoice)
+
+        fexml.set_supplier(invoice)
+        fexml.set_customer(invoice)
+        fexml.set_legal_monetary(invoice)
+        fexml.set_invoice_totals(invoice)
+        fexml.set_invoice_lines(invoice)
+        fexml.set_payment_mean(invoice)
+        fexml.set_allowance_charge(invoice)
+        fexml.set_discrepancy_response(invoice)        
+        fexml.set_billing_reference(invoice)
+        cosa = AttachedDocument(id=1, xml=fexml)
+        print(cosa.toFachoXML())
+
+        return fexml
+
+    def customize(fexml, invoice):
+        
+        """adiciona etiquetas a FEXML y retorna FEXML
+        en caso de fallar validacion retorna None"""