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diff --git a/src/DotNetOAuth/OAuth/Messages/UnauthorizedTokenResponse.cs b/src/DotNetOAuth/OAuth/Messages/UnauthorizedTokenResponse.cs
new file mode 100644
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--- /dev/null
+++ b/src/DotNetOAuth/OAuth/Messages/UnauthorizedTokenResponse.cs
@@ -0,0 +1,92 @@
+//-----------------------------------------------------------------------
+// <copyright file="UnauthorizedTokenResponse.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOAuth.OAuth.Messages {
+	using System;
+	using System.Collections.Generic;
+	using System.Diagnostics.CodeAnalysis;
+	using DotNetOAuth.Messaging;
+
+	/// <summary>
+	/// A direct message sent from Service Provider to Consumer in response to 
+	/// a Consumer's <see cref="UnauthorizedTokenRequest"/> request.
+	/// </summary>
+	public class UnauthorizedTokenResponse : MessageBase, ITokenSecretContainingMessage {
+		/// <summary>
+		/// Initializes a new instance of the <see cref="UnauthorizedTokenResponse"/> class.
+		/// </summary>
+		/// <param name="requestMessage">The unauthorized request token message that this message is being generated in response to.</param>
+		/// <param name="requestToken">The request token.</param>
+		/// <param name="tokenSecret">The token secret.</param>
+		/// <remarks>
+		/// This constructor is used by the Service Provider to send the message.
+		/// </remarks>
+		protected internal UnauthorizedTokenResponse(UnauthorizedTokenRequest requestMessage, string requestToken, string tokenSecret) : this() {
+			if (requestMessage == null) {
+				throw new ArgumentNullException("requestMessage");
+			}
+			if (string.IsNullOrEmpty(requestToken)) {
+				throw new ArgumentNullException("requestToken");
+			}
+			if (string.IsNullOrEmpty(tokenSecret)) {
+				throw new ArgumentNullException("tokenSecret");
+			}
+
+			this.RequestMessage = requestMessage;
+			this.RequestToken = requestToken;
+			this.TokenSecret = tokenSecret;
+		}
+
+		/// <summary>
+		/// Initializes a new instance of the <see cref="UnauthorizedTokenResponse"/> class.
+		/// </summary>
+		/// <remarks>This constructor is used by the consumer to deserialize the message.</remarks>
+		protected internal UnauthorizedTokenResponse()
+			: base(MessageProtections.None, MessageTransport.Direct) {
+		}
+
+		/// <summary>
+		/// Gets or sets the Request or Access Token.
+		/// </summary>
+		[SuppressMessage("Microsoft.Design", "CA1033:InterfaceMethodsShouldBeCallableByChildTypes", Justification = "This property IS accessible by a different name.")]
+		string ITokenContainingMessage.Token {
+			get { return this.RequestToken; }
+			set { this.RequestToken = value; }
+		}
+
+		/// <summary>
+		/// Gets or sets the Request or Access Token secret.
+		/// </summary>
+		string ITokenSecretContainingMessage.TokenSecret {
+			get { return this.TokenSecret; }
+			set { this.TokenSecret = value; }
+		}
+
+		/// <summary>
+		/// Gets the extra, non-OAuth parameters that will be included in the message.
+		/// </summary>
+		public new IDictionary<string, string> ExtraData {
+			get { return base.ExtraData; }
+		}
+
+		/// <summary>
+		/// Gets or sets the Request Token.
+		/// </summary>
+		[MessagePart("oauth_token", IsRequired = true)]
+		internal string RequestToken { get; set; }
+
+		/// <summary>
+		/// Gets the original request for an unauthorized token.
+		/// </summary>
+		internal UnauthorizedTokenRequest RequestMessage { get; private set; }
+
+		/// <summary>
+		/// Gets or sets the Token Secret.
+		/// </summary>
+		[MessagePart("oauth_token_secret", IsRequired = true)]
+		protected internal string TokenSecret { get; set; }
+	}
+}