diff --git a/src/lp/nack.hpp b/src/lp/nack.hpp
new file mode 100644
index 0000000..9512749
--- /dev/null
+++ b/src/lp/nack.hpp
@@ -0,0 +1,112 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2015 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ *
+ * @author Eric Newberry <enewberry@email.arizona.edu>
+ */
+
+#ifndef NDN_CXX_LP_NACK_HPP
+#define NDN_CXX_LP_NACK_HPP
+
+#include "../common.hpp"
+#include "../tag-host.hpp"
+#include "../interest.hpp"
+
+#include "nack-header.hpp"
+
+namespace ndn {
+namespace lp {
+
+/**
+ * \brief represents a Network NACK
+ * \detail This type binds a NackHeader and an Interest, and is intended for use in network layer.
+ */
+class Nack : public TagHost
+{
+public:
+  Nack() = default;
+
+  explicit
+  Nack(const Interest& interest);
+
+  explicit
+  Nack(Interest&& interest);
+
+public: // getter/setter
+  const Interest&
+  getInterest() const
+  {
+    return m_interest;
+  }
+
+  Interest&
+  getInterest()
+  {
+    return m_interest;
+  }
+
+  const NackHeader&
+  getHeader() const
+  {
+    return m_header;
+  }
+
+  NackHeader&
+  getHeader()
+  {
+    return m_header;
+  }
+
+  Nack&
+  setHeader(const NackHeader& header)
+  {
+    m_header = header;
+    return *this;
+  }
+
+  Nack&
+  setHeader(NackHeader&& header)
+  {
+    m_header = header;
+    return *this;
+  }
+
+public: // NackHeader proxy
+  NackReason
+  getReason() const
+  {
+    return m_header.getReason();
+  }
+
+  Nack&
+  setReason(NackReason reason)
+  {
+    m_header.setReason(reason);
+    return *this;
+  }
+
+private:
+  Interest m_interest;
+  NackHeader m_header;
+};
+
+} // namespace lp
+} // namespace ndn
+
+#endif // NDN_CXX_LP_NACK_HPP
\ No newline at end of file