diff --git a/facho/facho.py b/facho/facho.py
index c49e423..712bb7b 100644
--- a/facho/facho.py
+++ b/facho/facho.py
@@ -213,6 +213,12 @@ class FachoXML:
             self.builder.set_attribute(elem, k, v)
         return elem
 
+    def set_attributes(self, xpath, **attrs):
+        xpath = self._normalize_xpath(xpath)
+        elem = self.get_element(xpath)
+        for k, v in attrs.items():
+            self.builder.set_attribute(elem, k, v)
+            
     def get_element(self, xpath):
         xpath = self.fragment_prefix + self._normalize_xpath(xpath)
         return self.builder.xpath(self.root, xpath)
diff --git a/facho/fe/__init__.py b/facho/fe/__init__.py
index 4e8b758..9a42e32 100644
--- a/facho/fe/__init__.py
+++ b/facho/fe/__init__.py
@@ -5,4 +5,5 @@ from .fe import DianXMLExtensionSoftwareSecurityCode
 from .fe import DianXMLExtensionCUFE
 from .fe import DianXMLExtensionInvoiceAuthorization
 from .fe import DianXMLExtensionSoftwareProvider
+from .fe import DianXMLExtensionAuthorizationProvider
 from .fe import DianZIP
diff --git a/facho/fe/fe.py b/facho/fe/fe.py
index 40133b4..b6e1531 100644
--- a/facho/fe/fe.py
+++ b/facho/fe/fe.py
@@ -12,6 +12,12 @@ import hashlib
 from contextlib import contextmanager
 from .data.dian import codelist
 
+SCHEME_AGENCY_ATTRS = {
+    'schemeAgencyName': 'CO, DIAN (Direccion de Impuestos y Aduanas Nacionales)',
+    'schemeAgencyID': '195'
+}
+
+                      
 NAMESPACES = {
     'fe': 'http://www.dian.gov.co/contratos/facturaelectronica/v1',
     'cac': 'urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2',
@@ -123,8 +129,10 @@ class DianXMLExtensionSoftwareProvider(FachoXMLExtension):
 
     def build(self, fexml):
         software_provider = fexml.fragment('/fe:Invoice/ext:UBLExtensions/ext:UBLExtension/ext:ExtensionContent/sts:DianExtensions/sts:SoftwareProvider')
-        software_provider.set_element('/sts:SoftwareProvider/sts:ProviderID', self.nit)
-        software_provider.set_element('/sts:SoftwareProvider/sts:SoftwareID', self.id_software)
+        software_provider.set_element('/sts:SoftwareProvider/sts:ProviderID', self.nit,
+                                      **SCHEME_AGENCY_ATTRS)
+        software_provider.set_element('/sts:SoftwareProvider/sts:SoftwareID', self.id_software,
+                                      **SCHEME_AGENCY_ATTRS)
         return '', []
 
     
@@ -142,6 +150,7 @@ class DianXMLExtensionSoftwareSecurityCode(FachoXMLExtension):
         m = hashlib.sha384()
         m.update(code.encode('utf-8'))
         fexml.set_element(dian_path, m.hexdigest())
+        fexml.set_attributes(dian_path, **SCHEME_AGENCY_ATTRS)
         return '', []
 
     
@@ -234,6 +243,19 @@ class DianXMLExtensionSigner(FachoXMLExtension):
         return '', []
         
 
+class DianXMLExtensionAuthorizationProvider(FachoXMLExtension):
+    # RESOLUCION 0004: pagina 176
+
+    def build(self, fexml):
+        dian_path = '/fe:Invoice/ext:UBLExtensions/ext:ExtensionContent/sts:DianExtensions/sts:AuthorizationProvider/sts:AuthorizationProviderID'
+        fexml.set_element(dian_path, '800197268')
+        
+        attrs = {'schemeID': '4', 'schemeName': '31'}
+        attrs.update(SCHEME_AGENCY_ATTRS)
+        fexml.set_attributes(dian_path, **attrs)
+        return '', []
+    
+
 class DianXMLExtensionInvoiceAuthorization(FachoXMLExtension):
     # RESOLUCION 0004: pagina 106
 
diff --git a/facho/fe/form.py b/facho/fe/form.py
index 84b0eac..4cbcaa1 100644
--- a/facho/fe/form.py
+++ b/facho/fe/form.py
@@ -228,7 +228,8 @@ class DIANInvoiceXML(fe.FeXML):
                           invoice.invoice_supplier.address.street)
         
         fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cbc:CompanyID',
-                          invoice.invoice_supplier.ident)
+                          invoice.invoice_supplier.ident,
+                          **fe.SCHEME_AGENCY_ATTRS)
 
         fexml.set_element('/fe:Invoice/cac:AccountingSupplierParty/cac:Party/cac:PartyTaxScheme/cbc:TaxLevelCode',
                           invoice.invoice_supplier.responsability_code)
@@ -251,7 +252,8 @@ class DIANInvoiceXML(fe.FeXML):
         fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PhysicalLocation/cac:Address/cac:AddressLine/cbc:Line',
                           invoice.invoice_customer.address.street)
         fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cbc:CompanyID',
-                          invoice.invoice_customer.ident)
+                          invoice.invoice_customer.ident,
+                          **fe.SCHEME_AGENCY_ATTRS)
         fexml.set_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cbc:TaxLevelCode',
                           invoice.invoice_customer.responsability_code)
         fexml.find_or_create_element('/fe:Invoice/cac:AccountingCustomerParty/cac:Party/cac:PartyTaxScheme/cac:TaxScheme')
diff --git a/tests/test_fe.py b/tests/test_fe.py
index 5db990d..8910bc8 100644
--- a/tests/test_fe.py
+++ b/tests/test_fe.py
@@ -78,3 +78,16 @@ def test_dian_extension_software_provider():
     
     give_nit = xml.get_element_text('/fe:Invoice/ext:UBLExtensions/ext:UBLExtension/ext:ExtensionContent/sts:DianExtensions/sts:SoftwareProvider/sts:ProviderID')
     assert nit == give_nit
+
+def test_dian_extension_authorization_provider():
+    auth_provider_extension = fe.DianXMLExtensionAuthorizationProvider()
+    xml = fe.FeXML('Invoice',
+                   'http://www.dian.gov.co/contratos/facturaelectronica/v1')
+    xml.add_extension(auth_provider_extension)
+    dian_nit = xml.get_element_text('/fe:Invoice/ext:UBLExtensions/ext:ExtensionContent/sts:DianExtensions/sts:AuthorizationProvider/sts:AuthorizationProviderID')
+    assert dian_nit == '800197268'
+
+
+
+
+