diff --git a/EnvelopeGenerator.Web/WebKey.cs b/EnvelopeGenerator.Web/WebKey.cs
index 3555be45..1b8ec48f 100644
--- a/EnvelopeGenerator.Web/WebKey.cs
+++ b/EnvelopeGenerator.Web/WebKey.cs
@@ -42,5 +42,22 @@
         public static readonly string ViewDoc = nameof(ViewDoc);
         public static readonly string HomePageDescription = nameof(HomePageDescription);
         public static readonly string Privacy = nameof(Privacy);
+        
+        public static class Formats
+        {
+            public static readonly string LockedTitle = "Locked{0}Title";
+
+            public static readonly string LockedBody = "Locked{0}Body";
+
+            public static readonly string LockedCodeLabel = "Locked{0}CodeLabel";
+
+            public static readonly string LockedFooterTitle = "Locked{0}FooterTitle";
+
+            public static readonly string LockedFooterBody = "Locked{0}FooterBody";
+        }
+
+        public static string Format(this string st, object? arg0) => string.Format(st, arg0: arg0);
+
+        public static string Format(this string st, params object?[] args) => string.Format(st, args: args);
     }
 }
\ No newline at end of file