diff --git a/src/CompaniesHouse/CompaniesHousePersonsWithSignificantControlClient.cs b/src/CompaniesHouse/CompaniesHousePersonsWithSignificantControlClient.cs
index 8c2cac1..5626f98 100644
--- a/src/CompaniesHouse/CompaniesHousePersonsWithSignificantControlClient.cs
+++ b/src/CompaniesHouse/CompaniesHousePersonsWithSignificantControlClient.cs
@@ -35,5 +35,6 @@ public CompaniesHousePersonsWithSignificantControlClient(HttpClient httpClient,
 
             return new CompaniesHouseClientResponse<PersonsWithSignificantControl>(result);
         }
+
     }
 }
diff --git a/tests/CompaniesHouse.IntegrationTests/Tests/CompanyFilingHistoryTests/CompanyFilingHistoryTestsInvalid.cs b/tests/CompaniesHouse.IntegrationTests/Tests/CompanyFilingHistoryTests/CompanyFilingHistoryTestsInvalid.cs
index a851628..c4cc4e7 100644
--- a/tests/CompaniesHouse.IntegrationTests/Tests/CompanyFilingHistoryTests/CompanyFilingHistoryTestsInvalid.cs
+++ b/tests/CompaniesHouse.IntegrationTests/Tests/CompanyFilingHistoryTests/CompanyFilingHistoryTestsInvalid.cs
@@ -1,4 +1,5 @@
 using System.Threading.Tasks;
+using CompaniesHouse.Response;
 using CompaniesHouse.Response.CompanyFiling;
 using NUnit.Framework;
 
@@ -18,9 +19,13 @@ await WhenRetrievingAnCompanyFilingHistoryForAnInvalidCompany()
         }
 
         [Test]
-        public void ThenTheDataItemsAreNull()
+        public void ThenTheDataHasSomeEmptyPropertiesAndStatusOfInvalidFormat()
         {
-            Assert.That(_result.Data.Items, Is.Null);
+            Assert.That(_result.Data.Items, Is.Empty);
+            Assert.That(_result.Data.HistoryStatus, Is.EqualTo(FilingHistoryStatus.InvalidFormat));
+            Assert.That(_result.Data.StartIndex, Is.EqualTo(0));
+            Assert.That(_result.Data.TotalCount, Is.EqualTo(0));
+
         }
 
         private async Task WhenRetrievingAnCompanyFilingHistoryForAnInvalidCompany()
diff --git a/tests/CompaniesHouse.IntegrationTests/Tests/PersonsWithSignificantControlTests/PersonsWithSignificantControlTestsInValid.cs b/tests/CompaniesHouse.IntegrationTests/Tests/PersonsWithSignificantControlTests/PersonsWithSignificantControlTestsInValid.cs
index 1e6fc87..84a3837 100644
--- a/tests/CompaniesHouse.IntegrationTests/Tests/PersonsWithSignificantControlTests/PersonsWithSignificantControlTestsInValid.cs
+++ b/tests/CompaniesHouse.IntegrationTests/Tests/PersonsWithSignificantControlTests/PersonsWithSignificantControlTestsInValid.cs
@@ -17,9 +17,11 @@ protected override async Task When()
 
 
         [Test]
-        public void ThenTheDataItemsAreNull()
+        public void ThenTheDataIsFullWithEmptyProperties()
         {
-            Assert.That(_result.Data, Is.Null);
+            Assert.That(_result.Data.Items, Is.Empty);
+            Assert.That(_result.Data.ActiveCount, Is.EqualTo(0));
+            Assert.That(_result.Data.CeasedCount, Is.EqualTo(0));
         }
 
         private async Task WhenRetrievingAnCompanyPersonsWithSignificantControlForAnInvalidCompany()