diff --git a/Tests/HelperTests/BillingTest.cs b/Tests/HelperTests/BillingTest.cs
index de21ccc..c0c5c3d 100644
--- a/Tests/HelperTests/BillingTest.cs
+++ b/Tests/HelperTests/BillingTest.cs
@@ -143,82 +143,98 @@ namespace Tests.HelperTests {
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_02_SimpleNotStrictAreaComs() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_03_SimpleNotStrictAreaComs_HonorGebunden() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_04_ComplexNotStrictAreaComs() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_05_ComplexNotStrictAreaComs_HonorGebunden() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_06_StrictAreaComs_NoFillLower_NotAllowed() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_07_StrictAreaComs_NoFillLower_Allowed() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_08_StrictAreaComs_NoFillLower_Allowed_AvoidUnderDeliveries() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_09_StrictAreaComs_FillLowerUntilObligation_NotAllowed() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_10_StrictAreaComs_FillLowerUntilObligation_Allowed() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_11_StrictAreaComs_FillLowerUntilObligation_Allowed_AvoidUnderDeliveries() {
             // TODO
         }
 
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_12_StrictAreaComs_FillLowerUntilObligation_NotAllowed() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_13_StrictAreaComs_FillLowerUntilObligation_Allowed() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_14_StrictAreaComs_FillLowerUntilObligation_Allowed_AvoidUnderDeliveries() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_15_StrictAreaComs_FillLowerUntilRight_NotAllowed() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_16_StrictAreaComs_FillLowerUntilRight_Allowed() {
             // TODO
         }
 
         [Test]
+        [Ignore("Not implemented yet")]
         public async Task Test_17_StrictAreaComs_FillLowerUntilRight_Allowed_AvoidUnderDeliveries() {
             // TODO
         }