diff --git a/_licenses/cc0-1.0.txt b/_licenses/cc0-1.0.txt
index 9bf170a..8a92a85 100644
--- a/_licenses/cc0-1.0.txt
+++ b/_licenses/cc0-1.0.txt
@@ -20,7 +20,7 @@ permitted:
   - modifications
   - distribution
   - private-use
-
+  
 forbidden:
   - no-liability
 
diff --git a/spec/license_meta_spec.rb b/spec/license_meta_spec.rb
index 6635de2..796b7eb 100644
--- a/spec/license_meta_spec.rb
+++ b/spec/license_meta_spec.rb
@@ -16,7 +16,7 @@ licenses.each do |license|
       missing = required - raw_fields.keys
       expect(missing).to be_empty
     end
-
+    
     if license["category"]
       it "should contain the required license variant fields" do
         missing = ["category", "tab-slug"] - license.keys
diff --git a/spec/license_rules_spec.rb b/spec/license_rules_spec.rb
new file mode 100644
index 0000000..5049bea
--- /dev/null
+++ b/spec/license_rules_spec.rb
@@ -0,0 +1,24 @@
+require 'spec_helper'
+
+licenses.each do |license|
+
+  groups = rules.keys
+
+  describe "The #{license["title"]} license" do
+    groups.each do |group|
+
+      valid_tags = rules[group].map { |r| r["tag"] }
+
+      describe "the #{group} group" do
+        it "should exist" do
+          expect(license[group]).to_not be_nil
+        end
+
+        it "should only contain valid tags" do
+          extra = license[group] - valid_tags
+          expect(extra).to be_empty
+        end
+      end
+    end
+  end
+end
diff --git a/spec/license_spec.rb b/spec/license_spec.rb
index 750a78b..db20cde 100644
--- a/spec/license_spec.rb
+++ b/spec/license_spec.rb
@@ -31,21 +31,5 @@ licenses.each do |license|
         end
       end
     end
-
-    ["permitted", "required", "forbidden"].each do |group|
-      describe "#{group} properties" do
-        it "should list the properties" do
-          expect(license[group]).to_not be_nil
-        end
-
-        license[group].to_a.each do |tag|
-          describe "#{tag} tag" do
-            it "should be a valid tag" do
-              expect(rule?(tag,group)).to be(true)
-            end
-          end
-        end
-      end
-    end
   end
 end