diff --git a/src/ATBAPP/UnifiedDCInterface.cpp b/src/ATBAPP/UnifiedDCInterface.cpp
new file mode 100644
index 0000000..3423228
--- /dev/null
+++ b/src/ATBAPP/UnifiedDCInterface.cpp
@@ -0,0 +1,19 @@
+#include "DeviceControllerInterface.h"
+
+
+using UNIFIED_PLUGIN_STATE = UnifiedDCVMCInterface<DeviceControllerInterface>::UNIFIED_PLUGIN_STATE;
+
+
+template<>
+UNIFIED_PLUGIN_STATE UnifiedDCVMCInterface<DeviceControllerInterface>::initPlugin(QObject *eventReceiver, QSettings const &settings) {
+
+
+    switch(static_cast<DeviceControllerInterface*>(this)->initDCPlugin(eventReceiver, settings)) {
+    case nsDeviceControllerInterface::PLUGIN_STATE::INITIALIZED:
+        return UNIFIED_PLUGIN_STATE::INITIALIZED;
+    case nsDeviceControllerInterface::PLUGIN_STATE::NOT_INITIALIZED:
+        return UNIFIED_PLUGIN_STATE::NOT_INITIALIZED;
+    }
+
+    return UNIFIED_PLUGIN_STATE::NOT_INITIALIZED;
+}
diff --git a/src/ATBAPP/UnifiedDCVMCInterface.h b/src/ATBAPP/UnifiedDCVMCInterface.h
new file mode 100644
index 0000000..ce924a4
--- /dev/null
+++ b/src/ATBAPP/UnifiedDCVMCInterface.h
@@ -0,0 +1,147 @@
+#ifndef UNIFIED_DCVMC_INTERFACE_H_INCLUDED
+#define UNIFIED_DCVMC_INTERFACE_H_INCLUDED
+
+#include <QObject>
+#include <QSettings>
+
+#include <QtPlugin>
+
+#include <QSettings>
+#include <QString>
+
+#include "ATBAPPplugin.h"
+
+class UnifiedDCVMCInterface : public QObject, public ATBAPPplugin {
+
+    Q_OBJECT
+    Q_INTERFACES(ATBAPPplugin)
+
+public:
+    enum class PLUGIN_STATE : quint8 {
+        NOT_INITIALIZED = 0,
+        INITIALIZED = 1
+    };
+    enum class RESULT_STATE : quint8 {
+        SUCCESS = 1,                // operation was successfull
+        ERROR_BACKEND,              // error from backend (e.g. backend replies with error)
+        ERROR_TIMEOUT,              // the operation timed out
+        ERROR_PROCESS,              // internal plugin error, should not occur (this is a bug in implementation)
+        ERROR_RETRY,                // retry operation
+        INFO                        // informational (e.g. display a message, log something etc.)
+    };
+    enum class CASH_STATE   : quint8 {
+        CACHE_EMPTY,                // Cache still empty, default state
+        CACHE_INPUT,                // Coins are in Cache
+        OVERPAYED,
+        /* t.b.d. */
+    };
+    enum class TICKET_VARIANT : quint8 {
+        PARKING_TICKET,
+        RECEIPT,
+        ERROR_RECEIPT,
+        START_RECEIPT,   // e.g. Szeged Start
+        STOP_RECEIPT,    // e.g. Szeged Stop
+    };
+
+    explicit UnifiedDCVMCInterface() = default;
+    virtual ~UnifiedDCVMCInterface() {}
+
+    virtual PLUGIN_STATE initPlugin(QObject *eventReceiver, QSettings const &settings) = 0;
+
+    // mandantory ATBAPP plugin methods:
+    virtual PLUGIN_STATE getState() = 0;
+    virtual QString getLastError() = 0;
+    virtual QString getLastErrorDescription() = 0;
+
+    virtual QString getString(RESULT_STATE resultState) = 0;
+
+public slots:
+    virtual void onChangedProgramModeToSELL() = 0;
+    virtual void onChangedProgramModeToSERVICE() = 0;
+    virtual void onChangedProgramModeToIDLE() = 0;
+    virtual void onChangedProgramModeToOOO() = 0;
+
+    virtual void startPhysicalLayer() = 0;
+    virtual void stopPhysicalLayer() = 0;
+    virtual void reboot() = 0;
+    virtual void reset() = 0;
+
+signals:
+    void printTicketFinished(RESULT_STATE resultState,
+                             const QString & errorCode,
+                             const QString & errorDescription);
+    void printReceiptFinished(RESULT_STATE resultState,
+                              const QString & errorCode,
+                              const QString & errorDescription);
+
+    /**
+     * emitted on e.g. a coin input
+     */
+    void cashInputEvent(RESULT_STATE resultState,
+                                CASH_STATE cashState,
+                                const QString & newCashValue,
+                                /* additional variables? */
+                                const QString & errorCode,
+                                const QString & errorDescription);
+
+    /**
+     * emitted if cashInput has been stopped, e.g. in result to task requestStopCashInput():
+     *  -> shutter is blocked
+     *  -> no cash input is possible
+     *  -> coins are in cache
+     */
+    void cashInputFinished(RESULT_STATE resultState,
+                                     const QString & newCashValue,
+                                     /*  additional variables? */
+                                     const QString & errorCode,
+                                     const QString & errorDescription);
+
+
+    /**
+     * emitted e.g. if service door is opened
+     */
+    void requestModeSERVICE();
+
+    /**
+     * emitted e.g. if doors are closed
+     */
+    void requestModeIDLE();
+
+    /**
+     * emitted e.g. on severe errors
+     */
+    void requestModeOOO();
+
+    /**
+     * emitted e.g. if service door is opened
+     */
+    void requestAccountResponse(const QHash<QString, QVariant> & accountData);
+
+
+
+
+
+    /**
+     * emitted on error
+     * depending on errorCode:
+     * -> interrupt selling process
+     * -> machine can go to state OOO
+     * -> send error event to ISMAS
+     * -> ...
+     */
+    void Error(
+            /*  additional variables? */
+            const QString & errorCode,
+            const QString & errorDescription);
+
+};
+
+Q_DECLARE_INTERFACE(UnifiedDCVMCInterface,
+                    "eu.atb.ptu.plugin.UnifiedDCVMCInterface/1.0")
+
+using PLUGIN_STATE = UnifiedDCVMCInterface::PLUGIN_STATE;
+using RESULT_STATE = UnifiedDCVMCInterface::RESULT_STATE;
+using CASH_STATE = UnifiedDCVMCInterface::CASH_STATE;
+using TICKET_VARIANT = UnifiedDCVMCInterface::TICKET_VARIANT;
+
+#endif // UNIFIED_DCVMC_INTERFACE_H_INCLUDED