diff --git a/lib/release/base.rb b/lib/release/base.rb
index 0f01b57..db1738e 100644
--- a/lib/release/base.rb
+++ b/lib/release/base.rb
@@ -24,6 +24,20 @@ module Release
       puts
       exit
     end
+
+    private
+    
+      def validate_version_format (version)
+        error "invalid version number format: #{version}"  unless version =~ /\d+\.\d+\.\d+/
+      end
+
+      def validate_version_is_new (version)
+        error "version already exists: #{git_local_list_tags.join(' ')}" if git_local_list_tags.include? "v#{version}"
+      end
+
+      def validate_current_branch_master
+        error "invalid starting branch: #{current_branch}"  unless standard_branches.include? current_branch
+      end
   end
 
 end
diff --git a/lib/release/init.rb b/lib/release/init.rb
index 9f44af2..b50d82d 100644
--- a/lib/release/init.rb
+++ b/lib/release/init.rb
@@ -14,13 +14,13 @@ module Release
     def execute
       subcommand, version, *extras = *argv
 
-      error "invalid version: #{version}"  unless version =~ /\d+\.\d+\.\d+/
-      error "existing version: #{git_local_list_tags.join(' ')}" if git_local_list_tags.include? "v#{version}"
-      error "invalid base branch: #{current_branch}"  unless standard_branches.include? current_branch
+      validate_version_format version
+      validate_version_is_new version
+      validate_current_branch_master
 
       git_pull current_branch
 
-#      git_local_tag version
+      git_local_tag version
 
       git_push_tags