diff --git a/include/grgsm/misc_utils/CMakeLists.txt b/include/grgsm/misc_utils/CMakeLists.txt
index 878fcfd..2f7f4c3 100644
--- a/include/grgsm/misc_utils/CMakeLists.txt
+++ b/include/grgsm/misc_utils/CMakeLists.txt
@@ -30,6 +30,7 @@
     extract_system_info.h
     extract_immediate_assignment.h
     extract_cmc.h
+    extract_assignment_cmd.h
     controlled_rotator_cc.h
     message_printer.h
     tmsi_dumper.h
diff --git a/include/grgsm/misc_utils/extract_assignment_cmd.h b/include/grgsm/misc_utils/extract_assignment_cmd.h
new file mode 100644
index 0000000..59803fd
--- /dev/null
+++ b/include/grgsm/misc_utils/extract_assignment_cmd.h
@@ -0,0 +1,58 @@
+/* -*- c++ -*- */
+/*
+ * @file
+ * @author (C) 2018 by Piotr Krysik <ptrkrysik@gmail.com>
+ * @section LICENSE
+ *
+ * Gr-gsm is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * Gr-gsm 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with gr-gsm; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+
+#ifndef INCLUDED_GSM_EXTRACT_ASSIGNMENT_CMD_H
+#define INCLUDED_GSM_EXTRACT_ASSIGNMENT_CMD_H
+
+#include <grgsm/api.h>
+#include <gnuradio/block.h>
+#include <vector>
+
+namespace gr {
+  namespace gsm {
+
+    /*!
+     * \brief <+description of block+>
+     * \ingroup gsm
+     *
+     */
+    class GRGSM_API extract_assignment_cmd : virtual public gr::block
+    {
+     public:
+      typedef boost::shared_ptr<extract_assignment_cmd> sptr;
+
+      /*!
+       * \brief Return a shared_ptr to a new instance of gsm::extract_assignment_cmd.
+       *
+       * To avoid accidental use of raw pointers, gsm::extract_assignment_cmd's
+       * constructor is in a private implementation
+       * class. gsm::extract_assignment_cmd::make is the public interface for
+       * creating new instances.
+       */
+      static sptr make();
+      virtual std::vector<int> get_assignment_commands() = 0;
+    };
+
+  } // namespace gsm
+} // namespace gr
+#endif /* INCLUDED_GSM_EXTRACT_ASSIGNMENT_CMD_H */
diff --git a/include/grgsm/misc_utils/extract_cmc.h b/include/grgsm/misc_utils/extract_cmc.h
index 82bd729..2b07bbe 100644
--- a/include/grgsm/misc_utils/extract_cmc.h
+++ b/include/grgsm/misc_utils/extract_cmc.h
@@ -53,7 +53,6 @@
       virtual std::vector<int> get_framenumbers() = 0;
       virtual std::vector<int> get_a5_versions() = 0;
       virtual std::vector<int> get_start_ciphering() = 0;
-      virtual std::vector<int> get_assignment_commands() = 0;
     };
 
   } // namespace gsm