diff --git a/src/Core/AdminConsole/Services/Implementations/PolicyServicevNext.cs b/src/Core/AdminConsole/Services/Implementations/PolicyServicevNext.cs
index 63c1cdafe..6c04df015 100644
--- a/src/Core/AdminConsole/Services/Implementations/PolicyServicevNext.cs
+++ b/src/Core/AdminConsole/Services/Implementations/PolicyServicevNext.cs
@@ -90,7 +90,7 @@ public class PolicyServicevNext : IPolicyServicevNext
 
         // Run other validation
         var validationError = await policyDefinition.ValidateAsync(currentPolicy, policy);
-        if (validationError != null)
+        if (!string.IsNullOrEmpty(validationError))
         {
             throw new BadRequestException(validationError);
         }
diff --git a/test/Core.Test/AdminConsole/AutoFixture/PolicyFixtures.cs b/test/Core.Test/AdminConsole/AutoFixture/PolicyFixtures.cs
index f70fd579e..09b112c43 100644
--- a/test/Core.Test/AdminConsole/AutoFixture/PolicyFixtures.cs
+++ b/test/Core.Test/AdminConsole/AutoFixture/PolicyFixtures.cs
@@ -9,10 +9,12 @@ namespace Bit.Core.Test.AdminConsole.AutoFixture;
 internal class PolicyCustomization : ICustomization
 {
     public PolicyType Type { get; set; }
+    public bool Enabled { get; set; }
 
-    public PolicyCustomization(PolicyType type)
+    public PolicyCustomization(PolicyType type, bool enabled)
     {
         Type = type;
+        Enabled = enabled;
     }
 
     public void Customize(IFixture fixture)
@@ -20,21 +22,23 @@ internal class PolicyCustomization : ICustomization
         fixture.Customize<Policy>(composer => composer
             .With(o => o.OrganizationId, Guid.NewGuid())
             .With(o => o.Type, Type)
-            .With(o => o.Enabled, true));
+            .With(o => o.Enabled, Enabled));
     }
 }
 
 public class PolicyAttribute : CustomizeAttribute
 {
     private readonly PolicyType _type;
+    private readonly bool _enabled;
 
-    public PolicyAttribute(PolicyType type)
+    public PolicyAttribute(PolicyType type, bool enabled = true)
     {
         _type = type;
+        _enabled = enabled;
     }
 
     public override ICustomization GetCustomization(ParameterInfo parameter)
     {
-        return new PolicyCustomization(_type);
+        return new PolicyCustomization(_type, _enabled);
     }
 }
diff --git a/test/Core.Test/AdminConsole/Services/PolicyDefinitionFixtures.cs b/test/Core.Test/AdminConsole/Services/PolicyDefinitionFixtures.cs
index f0047c83b..a6e102201 100644
--- a/test/Core.Test/AdminConsole/Services/PolicyDefinitionFixtures.cs
+++ b/test/Core.Test/AdminConsole/Services/PolicyDefinitionFixtures.cs
@@ -1,8 +1,9 @@
-using Bit.Core.AdminConsole.Entities;
+#nullable enable
+
+using Bit.Core.AdminConsole.Entities;
 using Bit.Core.AdminConsole.Enums;
 using Bit.Core.AdminConsole.OrganizationFeatures.Policies;
 using NSubstitute;
-using NSubstitute.ExceptionExtensions;
 
 namespace Bit.Core.Test.AdminConsole.Services;
 
@@ -11,10 +12,10 @@ public class FakeSingleOrgPolicyDefinition : IPolicyDefinition
     public PolicyType Type => PolicyType.SingleOrg;
     public IEnumerable<PolicyType> RequiredPolicies => Array.Empty<PolicyType>();
 
-    public readonly Func<Policy?, Policy, Task<string?>> ValidateAsyncMock = Substitute.For<Func<Policy, Policy, Task<string>>>();
-    public readonly Action<Policy?, Policy> OnSaveSideEffectsAsyncMock = Substitute.For<Action<Policy, Policy>>();
+    public readonly Func<Policy?, Policy, Task<string?>> ValidateAsyncMock = Substitute.For<Func<Policy?, Policy, Task<string?>>>();
+    public readonly Action<Policy?, Policy> OnSaveSideEffectsAsyncMock = Substitute.For<Action<Policy?, Policy>>();
 
-    public Task<string>? ValidateAsync(Policy? currentPolicy, Policy modifiedPolicy)
+    public Task<string?> ValidateAsync(Policy? currentPolicy, Policy modifiedPolicy)
     {
         return ValidateAsyncMock(currentPolicy, modifiedPolicy);
     }
@@ -25,3 +26,18 @@ public class FakeSingleOrgPolicyDefinition : IPolicyDefinition
         return Task.FromResult(0);
     }
 }
+public class FakeRequireSsoPolicyDefinition : IPolicyDefinition
+{
+    public PolicyType Type => PolicyType.RequireSso;
+    public IEnumerable<PolicyType> RequiredPolicies => [PolicyType.SingleOrg];
+
+    public Task<string?> ValidateAsync(Policy? currentPolicy, Policy modifiedPolicy)
+    {
+        return Task.FromResult((string)null);
+    }
+
+    public Task OnSaveSideEffectsAsync(Policy? currentPolicy, Policy modifiedPolicy)
+    {
+        return Task.FromResult(0);
+    }
+}
diff --git a/test/Core.Test/AdminConsole/Services/PolicyServicevNextTests.cs b/test/Core.Test/AdminConsole/Services/PolicyServicevNextTests.cs
index 4ad8828ad..2477a355c 100644
--- a/test/Core.Test/AdminConsole/Services/PolicyServicevNextTests.cs
+++ b/test/Core.Test/AdminConsole/Services/PolicyServicevNextTests.cs
@@ -1,4 +1,6 @@
-using AutoFixture;
+#nullable enable
+
+using AutoFixture;
 using Bit.Core.AdminConsole.Entities;
 using Bit.Core.AdminConsole.Enums;
 using Bit.Core.AdminConsole.OrganizationFeatures.Policies;
@@ -107,6 +109,78 @@ public class PolicyServicevNextTests
         await AssertPolicyNotSavedAsync(sutProvider);
     }
 
+    [Theory, BitAutoData]
+    public async Task SaveAsync_RequiredPolicyIsNull_Throws(
+        [Policy(PolicyType.RequireSso)] Policy policy)
+    {
+        var sutProvider = SutProviderFactory([
+            new FakeRequireSsoPolicyDefinition(),
+            new FakeSingleOrgPolicyDefinition()
+        ]);
+
+        ArrangeOrganization(sutProvider, policy);
+        sutProvider.GetDependency<IPolicyRepository>()
+            .GetManyByOrganizationIdAsync(policy.OrganizationId)
+            .Returns([]);
+
+        var badRequestException = await Assert.ThrowsAsync<BadRequestException>(
+            () => sutProvider.Sut.SaveAsync(policy,
+                Substitute.For<IUserService>(),
+                Substitute.For<IOrganizationService>(),
+                Guid.NewGuid()));
+
+        Assert.Contains("Policy requires PolicyType SingleOrg to be enabled", badRequestException.Message, StringComparison.OrdinalIgnoreCase);
+        await AssertPolicyNotSavedAsync(sutProvider);
+    }
+
+    [Theory, BitAutoData]
+    public async Task SaveAsync_RequiredPolicyNotEnabled_Throws(
+        [Policy(PolicyType.SingleOrg, false)] Policy singleOrgPolicy,
+        [Policy(PolicyType.RequireSso)] Policy policy)
+    {
+        var sutProvider = SutProviderFactory([
+            new FakeRequireSsoPolicyDefinition(),
+            new FakeSingleOrgPolicyDefinition()
+        ]);
+
+        ArrangeOrganization(sutProvider, policy);
+        sutProvider.GetDependency<IPolicyRepository>()
+            .GetManyByOrganizationIdAsync(policy.OrganizationId)
+            .Returns([singleOrgPolicy]);
+
+        var badRequestException = await Assert.ThrowsAsync<BadRequestException>(
+            () => sutProvider.Sut.SaveAsync(policy,
+                Substitute.For<IUserService>(),
+                Substitute.For<IOrganizationService>(),
+                Guid.NewGuid()));
+
+        Assert.Contains("Policy requires PolicyType SingleOrg to be enabled", badRequestException.Message, StringComparison.OrdinalIgnoreCase);
+        await AssertPolicyNotSavedAsync(sutProvider);
+    }
+
+    [Theory, BitAutoData]
+    public async Task SaveAsync_RequiredPolicyEnabled_Success(
+        [Policy(PolicyType.SingleOrg, true)] Policy singleOrgPolicy,
+        [Policy(PolicyType.RequireSso)] Policy policy)
+    {
+        var sutProvider = SutProviderFactory([
+            new FakeRequireSsoPolicyDefinition(),
+            new FakeSingleOrgPolicyDefinition()
+        ]);
+
+        ArrangeOrganization(sutProvider, policy);
+        sutProvider.GetDependency<IPolicyRepository>()
+            .GetManyByOrganizationIdAsync(policy.OrganizationId)
+            .Returns([singleOrgPolicy]);
+
+        await sutProvider.Sut.SaveAsync(policy,
+            Substitute.For<IUserService>(),
+            Substitute.For<IOrganizationService>(),
+            Guid.NewGuid());
+
+        await sutProvider.GetDependency<IPolicyRepository>().Received(1).UpsertAsync(policy);
+    }
+
     /// <summary>
     /// Returns a new SutProvider with the PolicyDefinitions registered in the Sut.
     /// </summary>