diff --git a/SpecExpress/src/SpecExpress.Test/Entities/Person.cs b/SpecExpress/src/SpecExpress.Test/Entities/Person.cs
new file mode 100644
index 0000000..eb7d15f
--- /dev/null
+++ b/SpecExpress/src/SpecExpress.Test/Entities/Person.cs
@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace SpecExpress.Test.Entities
+{
+    public class Person
+    {
+        public string Name { get; set; }
+
+        public Address2 MailingAddress { get; set; }
+
+        public Address2 ShippingAddress { get; set; }
+    }
+    
+    public class Address2
+    {
+        public const string MailingType = "MAIL";
+
+        public const string ShippingType = "SHIP";
+
+        public string Type { get; set; }
+        public string AddressLine { get; set; }
+        public string City { get; set; }
+        public string State { get; set; }
+    }
+
+    public class PersonSpecification : Validates<Person>
+    {
+        public PersonSpecification()
+        {
+            Check(_ => _.Name).Required();
+
+            Check(_ => _.MailingAddress).Optional()
+                .Specification(v => v.Check(x => x.Type == Address2.MailingType))
+                .And
+                .Specification<Address2Specification>();
+
+            Check(_ => _.ShippingAddress).Optional()
+                .Specification(v => v.Check(x => x.Type == Address2.ShippingType))
+                .And
+                .Specification<Address2Specification>();
+        }
+    }
+
+    public class Address2Specification : Validates<Address2>
+    {
+        public Address2Specification()
+        {
+            Check(_ => _.AddressLine).Required();
+            Check(_ => _.City).Required();
+            Check(_ => _.State).Required();
+        }
+    }
+}
diff --git a/SpecExpress/src/SpecExpress.Test/PersonSpecificationTests.cs b/SpecExpress/src/SpecExpress.Test/PersonSpecificationTests.cs
new file mode 100644
index 0000000..3fd5d0a
--- /dev/null
+++ b/SpecExpress/src/SpecExpress.Test/PersonSpecificationTests.cs
@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using NUnit.Framework;
+using SpecExpress.Test.Entities;
+
+namespace SpecExpress.Test
+{
+    [TestFixture]
+    public class PersonSpecificationTests
+    {
+        [TestFixtureSetUp]
+        public void FixtureSetup()
+        {
+            ValidationCatalog.Reset();
+            ValidationCatalog.Scan(x => x.AddAssembly(typeof(Person).Assembly));
+            ValidationCatalog.AssertConfigurationIsValid();
+        }
+
+        [TestFixtureTearDown]
+        public void FixtureTeardown()
+        {
+            ValidationCatalog.Reset();
+        }
+
+        [Test]
+        public void Valid_Person()
+        {
+            var person = new Person()
+            {
+                Name = "Someone",
+                MailingAddress =
+                    new Address2()
+                    {
+                        AddressLine = "Dallas Pkwy",
+                        City = "Dallas",
+                        State = "TX",
+                        Type = Address2.MailingType
+                    },
+                ShippingAddress = 
+                    new Address2()
+                    {
+                        AddressLine = "Dallas Pkwy",
+                        City = "Dallas",
+                        State = "TX",
+                        Type = Address2.ShippingType
+                    },
+            };
+
+            var results = ValidationCatalog.Validate(person);
+            
+            Assert.That(results.IsValid, Is.True);
+
+            CollectionAssert.IsEmpty(results.All());
+        }
+
+        [Test]
+
+        public void Invalid_Person()
+        {
+            var person = new Person()
+            {
+                Name = "Someone",
+                MailingAddress =
+                    new Address2()
+                    {
+                        AddressLine = "Dallas Pkwy",
+                        City = "Dallas",
+                        State = "TX",
+                    },
+                ShippingAddress =
+                    new Address2()
+                    {
+                        //AddressLine = "Dallas Pkwy",
+                        //City = "Dallas",
+                        //State = "TX",
+                        Type = Address2.ShippingType
+                    },
+            };
+
+            var results = ValidationCatalog.Validate(person);
+            
+            foreach (var result in results.All())
+            {
+                Console.WriteLine(result.Message);
+            }
+
+            Assert.That(results.IsValid, Is.False);
+
+            CollectionAssert.IsNotEmpty(results.All());
+
+            
+             
+        }
+    }
+}
diff --git a/SpecExpress/src/SpecExpress.Test/SpecExpress.Test.csproj b/SpecExpress/src/SpecExpress.Test/SpecExpress.Test.csproj
index bb2058a..88043cb 100644
--- a/SpecExpress/src/SpecExpress.Test/SpecExpress.Test.csproj
+++ b/SpecExpress/src/SpecExpress.Test/SpecExpress.Test.csproj
@@ -91,8 +91,10 @@
     <Compile Include="Container\ComplexTypesTests.cs" />
     <Compile Include="ContactSpecification.cs" />
     <Compile Include="CustomerAddressSpecification.cs" />
+    <Compile Include="Entities\Person.cs" />
     <Compile Include="ExceptionsTest.cs" />
     <Compile Include="InlineSpecificationTests.cs" />
+    <Compile Include="PersonSpecificationTests.cs" />
     <Compile Include="PolymorphismTests.cs" />
     <Compile Include="RequiredEnumsTests.cs" />
     <Compile Include="RuleTreeTests\RuleExpressionFactoryTest.cs" />
diff --git a/SpecExpress/src/SpecExpress/Util/RuleValidatorContext.cs b/SpecExpress/src/SpecExpress/Util/RuleValidatorContext.cs
index d0631d4..912ee7a 100644
--- a/SpecExpress/src/SpecExpress/Util/RuleValidatorContext.cs
+++ b/SpecExpress/src/SpecExpress/Util/RuleValidatorContext.cs
@@ -93,6 +93,12 @@ private static PropertyInfo GetValidationProperty(PropertyValidator validator, T
                 _propertyBag.Add(instanceType, new Dictionary<string, PropertyInfo>());
             }
             var propertyBag = _propertyBag[instanceType];
+
+            if (string.IsNullOrEmpty(validator.PropertyName))
+            {
+                return null;
+            }
+
             if (!propertyBag.ContainsKey(validator.PropertyName))
             {
                 propertyBag.Add(validator.PropertyName, instanceType.GetProperty(validator.PropertyName));
@@ -176,6 +182,12 @@ private static PropertyInfo GetValidationProperty(PropertyValidator validator, T
                 _propertyBag.Add(instanceType, new Dictionary<string, PropertyInfo>());
             }
             var propertyBag = _propertyBag[instanceType];
+
+            if (string.IsNullOrEmpty(validator.PropertyName))
+            {
+                return null;
+            }
+
             if (!propertyBag.ContainsKey(validator.PropertyName))
             {
                 propertyBag.Add(validator.PropertyName, instanceType.GetProperty(validator.PropertyName));