advanswsdl
View the WSDL for the service. Click on an operation name to view it's details.
- timbrar
- validar
- timbrarRetencion
- timbrar2
- timbrarRetencion2
- timbrar3
- timbrar4
- cancelar
- cancelarRetencion
- cancelarPFXSync
- consultar
- consultar_cfdi
- consultar_hora
- validar_certificado
- confirmacion
Close
Name: timbrar
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarRequest
parts:
credential: xsd:string
cfdi: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarResponse
parts:
return: tns:RespuestaTimbre
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para timbrado de CFDI's
Name: timbrar
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarRequest
parts:
credential: xsd:string
cfdi: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarResponse
parts:
return: tns:RespuestaTimbre
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para timbrado de CFDI's
Close
Name: validar
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#validar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: validarRequest
parts:
credential: xsd:string
cfdi: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: validarResponse
parts:
return: tns:RespuestaValidacion
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para timbrado de CFDI's
Name: validar
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#validar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: validarRequest
parts:
credential: xsd:string
cfdi: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: validarResponse
parts:
return: tns:RespuestaValidacion
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para timbrado de CFDI's
Close
Name: timbrarRetencion
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrarRetencion
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarRetencionRequest
parts:
credential: xsd:string
xml: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarRetencionResponse
parts:
return: tns:RespuestaTimbre
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para timbrado de comprobantes de retención
Name: timbrarRetencion
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrarRetencion
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarRetencionRequest
parts:
credential: xsd:string
xml: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarRetencionResponse
parts:
return: tns:RespuestaTimbre
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para timbrado de comprobantes de retención
Close
Name: timbrar2
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar2Request
parts:
credential: xsd:string
cfdi: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar2Response
parts:
return: tns:RespuestaTimbre2
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método alternativo para timbrado de CFDI's en el que regresa el CFDI completo en vez de solo el timbre.
Name: timbrar2
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar2Request
parts:
credential: xsd:string
cfdi: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar2Response
parts:
return: tns:RespuestaTimbre2
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método alternativo para timbrado de CFDI's en el que regresa el CFDI completo en vez de solo el timbre.
Close
Name: timbrarRetencion2
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrarRetencion2
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarRetencion2Request
parts:
credential: xsd:string
xml: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarRetencion2Response
parts:
return: tns:RespuestaTimbre2
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método alternativo para timbrado de comprobantes de retención en el que regresa el documento completo en vez de solo el timbre.
Name: timbrarRetencion2
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrarRetencion2
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarRetencion2Request
parts:
credential: xsd:string
xml: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrarRetencion2Response
parts:
return: tns:RespuestaTimbre2
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método alternativo para timbrado de comprobantes de retención en el que regresa el documento completo en vez de solo el timbre.
Close
Name: timbrar3
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar3Request
parts:
credential: xsd:string
cfdi: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar3Response
parts:
return: tns:RespuestaTimbre
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método alternativo para timbrado de CFDI's con restricción de hora.
Name: timbrar3
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar3Request
parts:
credential: xsd:string
cfdi: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar3Response
parts:
return: tns:RespuestaTimbre
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método alternativo para timbrado de CFDI's con restricción de hora.
Close
Name: timbrar4
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar4Request
parts:
credential: xsd:string
cfdi: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar4Response
parts:
return: tns:RespuestaTimbre4
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método alternativo para timbrado de CFDI's en el que se regresa el CFDI timbrado y la cadena original del TFD
Name: timbrar4
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#timbrar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar4Request
parts:
credential: xsd:string
cfdi: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: timbrar4Response
parts:
return: tns:RespuestaTimbre4
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método alternativo para timbrado de CFDI's en el que se regresa el CFDI timbrado y la cadena original del TFD
Close
Name: cancelar
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#cancelar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarRequest
parts:
credential: xsd:string
rfc_emisor: xsd:string
uuid: xsd:string
motivo: xsd:string
folio_sustitucion: xsd:string
key: xsd:string
cer: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarResponse
parts:
return: tns:RespuestaCancelacion
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para cancelación de CFDI's
Name: cancelar
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#cancelar
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarRequest
parts:
credential: xsd:string
rfc_emisor: xsd:string
uuid: xsd:string
motivo: xsd:string
folio_sustitucion: xsd:string
key: xsd:string
cer: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarResponse
parts:
return: tns:RespuestaCancelacion
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para cancelación de CFDI's
Close
Name: cancelarRetencion
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#cancelarRetencion
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarRetencionRequest
parts:
credential: xsd:string
rfc_emisor: xsd:string
uuid: xsd:string
motivo: xsd:string
folio_sustitucion: xsd:string
key: xsd:string
cer: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarRetencionResponse
parts:
return: tns:RespuestaCancelacion
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para cancelación de comprobantes de retención
Name: cancelarRetencion
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#cancelarRetencion
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarRetencionRequest
parts:
credential: xsd:string
rfc_emisor: xsd:string
uuid: xsd:string
motivo: xsd:string
folio_sustitucion: xsd:string
key: xsd:string
cer: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarRetencionResponse
parts:
return: tns:RespuestaCancelacion
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para cancelación de comprobantes de retención
Close
Name: cancelarPFXSync
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#cancelarPFXSync
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarPFXSyncRequest
parts:
credential: xsd:string
rfc_emisor: xsd:string
uuid: xsd:string
motivo: xsd:string
folio_sustitucion: xsd:string
pfx: xsd:string
pfx_password: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarPFXSyncResponse
parts:
return: tns:RespuestaCancelacion
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para cancelación de CFDI's
Name: cancelarPFXSync
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#cancelarPFXSync
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarPFXSyncRequest
parts:
credential: xsd:string
rfc_emisor: xsd:string
uuid: xsd:string
motivo: xsd:string
folio_sustitucion: xsd:string
pfx: xsd:string
pfx_password: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: cancelarPFXSyncResponse
parts:
return: tns:RespuestaCancelacion
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para cancelación de CFDI's
Close
Name: consultar
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#consulta
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultarRequest
parts:
credential: xsd:string
uuid: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultarResponse
parts:
return: tns:RespuestaConsulta
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para consultar estado de los timbres
Name: consultar
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#consulta
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultarRequest
parts:
credential: xsd:string
uuid: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultarResponse
parts:
return: tns:RespuestaConsulta
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para consultar estado de los timbres
Close
Name: consultar_cfdi
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#consulta
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultar_cfdiRequest
parts:
credential: xsd:string
uuid: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultar_cfdiResponse
parts:
return: tns:RespuestaConsulta
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para consultar estado de los timbres (Responde CFDI completo)
Name: consultar_cfdi
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#consulta
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultar_cfdiRequest
parts:
credential: xsd:string
uuid: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultar_cfdiResponse
parts:
return: tns:RespuestaConsulta
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para consultar estado de los timbres (Responde CFDI completo)
Close
Name: consultar_hora
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#consultaHora
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultar_horaRequest
parts:
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultar_horaResponse
parts:
return: tns:RespuestaConsultaHora
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para consultar la hora del sistema
Name: consultar_hora
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#consultaHora
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultar_horaRequest
parts:
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: consultar_horaResponse
parts:
return: tns:RespuestaConsultaHora
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para consultar la hora del sistema
Close
Name: validar_certificado
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#ValidarCertificado
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: validar_certificadoRequest
parts:
credential: xsd:string
cer: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: validar_certificadoResponse
parts:
return: tns:RespuestaValidarCertificado
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para validar si un certificado es válido al momento de timbrar
Name: validar_certificado
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#ValidarCertificado
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: validar_certificadoRequest
parts:
credential: xsd:string
cer: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: validar_certificadoResponse
parts:
return: tns:RespuestaValidarCertificado
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para validar si un certificado es válido al momento de timbrar
Close
Name: confirmacion
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#ValidarCertificado
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: confirmacionRequest
parts:
credential: xsd:string
emisor_rfc: xsd:string
receptor_rfc: xsd:string
email: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: confirmacionResponse
parts:
return: tns:RespuestaValidarCertificado
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para obtener número de confirmación, cuando el comprobante a timbrar lo requiera
Name: confirmacion
Binding: advanswsdlBinding
Endpoint: https://dev.advans.mx/ws/awscfdi.php
SoapAction: urn:advanswsdl#ValidarCertificado
Style: rpc
Input:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: confirmacionRequest
parts:
credential: xsd:string
emisor_rfc: xsd:string
receptor_rfc: xsd:string
email: xsd:string
Output:
use: encoded
namespace: urn:advanswsdl
encodingStyle: http://schemas.xmlsoap.org/soap/encoding/
message: confirmacionResponse
parts:
return: tns:RespuestaValidarCertificado
Namespace: urn:advanswsdl
Transport: http://schemas.xmlsoap.org/soap/http
Documentation: Método para obtener número de confirmación, cuando el comprobante a timbrar lo requiera