diff --git a/src/ATBAPP/ATBDeviceControllerPlugin.cpp b/src/ATBAPP/ATBDeviceControllerPlugin.cpp
index 46eeba9..d17d84b 100644
--- a/src/ATBAPP/ATBDeviceControllerPlugin.cpp
+++ b/src/ATBAPP/ATBDeviceControllerPlugin.cpp
@@ -1,5 +1,6 @@
 #include "src/ATBAPP/ATBDeviceControllerPlugin.h"
 #include "src/ATBAPP/ATBHealthEvent.h"
+#include "src/ATBAPP/Utils.h"
 
 #include <QTimer>
 #include <QTextCodec>
@@ -9,6 +10,9 @@
 #include <QDateTime>
 #include <QFileInfo>
 
+#include <cstdlib>
+
+
 
 ATBDeviceControllerPlugin::ATBDeviceControllerPlugin(QObject *parent) : QObject(parent),
     pluginState(PLUGIN_STATE::NOT_INITIALIZED)
@@ -135,7 +139,65 @@ void ATBDeviceControllerPlugin::cashAbort()
 // for an external account request, e.g. by an ui-button:
 void ATBDeviceControllerPlugin::requestAccount()
 {
-    qCritical() << "TODO: implement ATBDeviceControllerPlugin::requestAccount()";
+    qCritical() << "ATBDeviceControllerPlugin::requestAccount()";
+
+    this->private_startAccount();
+}
+
+void ATBDeviceControllerPlugin::private_startAccount()
+{
+    uint16_t backupedAccNumbers[8];    // array of account numbers
+    uint8_t nrOfVals;                  // number of saved accounts
+
+    // it is not defined which one is the latest account
+    hw->log_getHoldAccountNumbers(&nrOfVals, backupedAccNumbers);
+
+    qsort( backupedAccNumbers, nrOfVals, sizeof (uint16_t), Utils::compare );
+
+    uint16_t latestAccountNumber = backupedAccNumbers[nrOfVals-1];
+
+    hw->log_selectVaultRecord(latestAccountNumber);
+
+    this->accountCheckCounter = 0;
+    QTimer::singleShot(500, this, SLOT(private_checkAccountData()));
+}
+
+void ATBDeviceControllerPlugin::private_checkAccountData()
+{
+    if (hw->log_chkIfVaultRecordAvailable()) {
+        this->private_getAccountData();
+    }
+    else {
+        if (this->accountCheckCounter < 10) {
+            this->accountCheckCounter++;
+            QTimer::singleShot(500, this, SLOT(private_checkAccountData()));
+        }
+        else {
+            // cannot get accountData within ~10*500ms
+            qCritical() << "checkAccountData() failed";
+
+            // TODO: create and send an HealthEvent...
+        }
+    }
+}
+
+
+void ATBDeviceControllerPlugin::private_getAccountData()
+{
+    struct T_vaultRecord retVR;
+
+    hw->log_getVaultRecord(&retVR);
+
+    QHash<QString, QVariant> accountData;
+
+    accountData.insert("AccountingNumber", QString::number(retVR.AccountingNumber));
+
+    for (uint i = 0; i < sizeof(retVR.coinsInVault); ++i) {
+        accountData.insert("COIN_" + QString::number(i) + "_Quantity",  retVR.coinsInVault[i]);
+        accountData.insert("COIN_" + QString::number(i) + "_Value",     retVR.coinDenomination[i]);
+    }
+
+    emit requestAccountResponse(accountData);
 }
 
 
@@ -161,20 +223,9 @@ void ATBDeviceControllerPlugin::onVaultDoorOpened()
 
 void ATBDeviceControllerPlugin::onCoinBoxRemoved()
 {
-    hw->log_selectVaultRecord(0);
-
-    // TODO:
-    // - create and send account (-> requestAccountResponse())
-
-    // account:
-    // collect account data
-    QHash<QString, QVariant> accountData;
-
-    // send account
-    // -> currently skipped: emit this->requestAccountResponse(accountData);
-
-
     qCritical() << "ATBDeviceControllerPlugin::onCoinBoxRemoved()";
+
+    this->private_startAccount();
 }
 
 void ATBDeviceControllerPlugin::onCoinBoxInserted()
@@ -603,8 +654,6 @@ const QString ATBDeviceControllerPlugin::getString(nsDeviceControllerInterface::
 
 }
 
-
-
 /************************************************************************************************
  * ... end
  */
diff --git a/src/ATBAPP/ATBDeviceControllerPlugin.h b/src/ATBAPP/ATBDeviceControllerPlugin.h
index c48b6cb..7ffc9bd 100644
--- a/src/ATBAPP/ATBDeviceControllerPlugin.h
+++ b/src/ATBAPP/ATBDeviceControllerPlugin.h
@@ -129,6 +129,10 @@ private:
 
    nsDeviceControllerInterface::CASH_STATE currentCashState;
 
+   // counts failed hw->log_chkIfVaultRecordAvailable()
+   int accountCheckCounter;
+
+
 private slots:
    // printer
 
@@ -152,6 +156,11 @@ private slots:
    void onCoinBoxRemoved();
    void onCoinBoxInserted();
    void onAllDoorsClosed();
+
+   // account handling
+   void private_startAccount();
+   void private_checkAccountData();
+   void private_getAccountData();
 };
 
 #endif // ATBDEVICECONTROLLERPLUGIN_H