diff --git a/recurly/__init__.py b/recurly/__init__.py
index ada9b20e..1b76439f 100644
--- a/recurly/__init__.py
+++ b/recurly/__init__.py
@@ -486,6 +486,8 @@ class BusinessEntity(Resource):
         'name',
         'invoice_display_address',
         'tax_address',
+        'origin_tax_address_source',
+        'destination_tax_address_source',
         'subscriber_location_countries',
         'default_vat_number',
         'default_registration_number',
@@ -1030,6 +1032,8 @@ class Adjustment(Resource):
         'tax_type',
         'tax_region',
         'tax_rate',
+        'origin_tax_address_source',
+        'destination_tax_address_source',
         'total_in_cents',
         'currency',
         'tax_exempt',
diff --git a/tests/fixtures/adjustment/lookup.xml b/tests/fixtures/adjustment/lookup.xml
index a5cc237d..0641bdfb 100644
--- a/tests/fixtures/adjustment/lookup.xml
+++ b/tests/fixtures/adjustment/lookup.xml
@@ -16,6 +16,8 @@ Content-Type: application/xml; charset=utf-8
   <tax_type>usst</tax_type>
   <tax_region>CA</tax_region>
   <tax_rate type="float">0.0875</tax_rate>
+  <origin_tax_address_source>Business entity tax address</origin_tax_address_source>
+  <destination_tax_address_source>Customer tax address</destination_tax_address_source>
   <unit_amount_in_cents type="integer">1000</unit_amount_in_cents>
   <currency>USD</currency>
   <tax_details type="array">
diff --git a/tests/fixtures/business_entity/get.xml b/tests/fixtures/business_entity/get.xml
index e5946c23..5a35bbbc 100644
--- a/tests/fixtures/business_entity/get.xml
+++ b/tests/fixtures/business_entity/get.xml
@@ -32,6 +32,8 @@ Content-Type: application/xml; charset=utf-8
         <country>US</country>
         <phone>4344444222</phone>
     </tax_address>
+    <origin_tax_address_source>Business entity tax address</origin_tax_address_source>
+    <destination_tax_address_source>Customer tax address</destination_tax_address_source>
     <subscriber_location_countries type="array">
         <subscriber_location_country>GB</subscriber_location_country>
         <subscriber_location_country>CA</subscriber_location_country>
diff --git a/tests/fixtures/business_entity/list.xml b/tests/fixtures/business_entity/list.xml
index ab4f8008..7dc47a45 100644
--- a/tests/fixtures/business_entity/list.xml
+++ b/tests/fixtures/business_entity/list.xml
@@ -33,6 +33,8 @@ Content-Type: application/xml; charset=utf-8
             <country>US</country>
             <phone></phone>
         </tax_address>
+        <origin_tax_address_source>Business entity tax address</origin_tax_address_source>
+        <destination_tax_address_source>Customer tax address</destination_tax_address_source>
         <subscriber_location_countries type="array">
     </subscriber_location_countries>
         <default_vat_number></default_vat_number>
@@ -65,6 +67,8 @@ Content-Type: application/xml; charset=utf-8
             <country>US</country>
             <phone>3442565432</phone>
         </tax_address>
+        <origin_tax_address_source>Business entity tax address</origin_tax_address_source>
+        <destination_tax_address_source>Customer tax address</destination_tax_address_source>
         <subscriber_location_countries type="array">
     </subscriber_location_countries>
         <default_vat_number></default_vat_number>
diff --git a/tests/test_resources.py b/tests/test_resources.py
index 6d1f0eaa..f3f7cb0f 100644
--- a/tests/test_resources.py
+++ b/tests/test_resources.py
@@ -3600,6 +3600,8 @@ def test_get_business_entity(self):
         self.assertEqual(entity.default_registration_number, 'ab1')
         self.assertEqual(entity.subscriber_location_countries, ['GB', 'CA'])
         self.assertIsInstance(entity.tax_address, Address)
+        self.assertEqual(entity.origin_tax_address_source, 'Business entity tax address')
+        self.assertEqual(entity.destination_tax_address_source, 'Customer tax address')
         self.assertIsInstance(entity.invoice_display_address, Address)
         self.assertEqual(entity.created_at, datetime(2023, 5, 13, 17, 28, 47, tzinfo=entity.created_at.tzinfo))
         self.assertEqual(entity.updated_at, datetime(2023, 10, 13, 17, 28, 48, tzinfo=entity.updated_at.tzinfo))