diff --git a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/OPListController.java b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/OPListController.java
index e75bbb7..6816cd6 100644
--- a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/OPListController.java
+++ b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/OPListController.java
@@ -31,6 +31,10 @@ public class OPListController implements Serializable {
     private static final long serialVersionUID = 1L;
 
     private static Logger logger = Logger.getLogger(OPListController.class.getName());
+    
+    private String lastDbtrNumber=null;
+    
+    private List<ItemCollection> invoiceCache=null;
 
     @Inject
     protected WorkflowController workflowController;
@@ -38,29 +42,50 @@ public class OPListController implements Serializable {
     @Inject
     protected DocumentService documentService;
 
-    public List<ItemCollection> getInvoices(String dbtrNumber) {
-        List<ItemCollection> result = new ArrayList<ItemCollection>();
-        logger.info("....getInvoices for " + dbtrNumber);
-        if (dbtrNumber == null || dbtrNumber.isEmpty()) {
-            return result;
+    
+    /**
+     * Diese Methode liefert die Rechnungen zur gegebenen dbtrNumber.
+     * Die Methode nutzt einen lokalen cache um die Zugriffe zu beschleunigen.
+     * 
+     * @param _dbtrNumber
+     * @return
+     */
+    public List<ItemCollection> getInvoices(String _dbtrNumber) {
+        
+       
+        // return empty cache if data is not 
+        if ( _dbtrNumber==null || _dbtrNumber.isEmpty()) {
+            invoiceCache= new ArrayList<ItemCollection>();
+            return invoiceCache; 
         }
+        
+        // if last dbtr number is equal then return the current cache....
+        if (invoiceCache!=null &&  lastDbtrNumber!=null && lastDbtrNumber.equals(_dbtrNumber)) {
+            return invoiceCache; 
+        }
+        
+        // refresh cache....
+        lastDbtrNumber=_dbtrNumber;        
+        invoiceCache= new ArrayList<ItemCollection>();
+        logger.info("....caching Invoices for " + _dbtrNumber);
+      
         // Aus der dbtrNummer muss das führendde D entfernt werden
         // wir speichern dieses zwar im Zahlungseingangs Workflow, aber eine
         // Ausganksrechnung kennt das nicht
         // Das ganze ist ein übles Relikt aus Cargosoft und kann nicht vermieden werden
-        if (dbtrNumber.startsWith("D")) {
-            dbtrNumber = dbtrNumber.substring(1);
+        if (_dbtrNumber.startsWith("D")) {
+            _dbtrNumber = _dbtrNumber.substring(1);
         }
         String query = "(type:workitem OR type:workitemarchive) AND ($modelversion:rechnungsausgang-*) AND (dbtr.number:"
-                + dbtrNumber + ")";
+                + _dbtrNumber + ")";
 
         try {
-            result = documentService.find(query, 999, 0, "$created", false);
+            invoiceCache = documentService.find(query, 999, 0, "$created", false);
         } catch (QueryException e) {
             logger.severe("Failed to get op liste:" + e.getMessage());
         }
 
-        return result;
+        return invoiceCache;
     }
 
     /**
@@ -95,7 +120,10 @@ public class OPListController implements Serializable {
         List<String> refids=workflowController.getWorkitem().getItemValueList("$workitemref",String.class);
         
         for (String id : refids) {
-            ItemCollection doc = documentService.load(id);
+            if (id.isEmpty()) {
+                continue;
+            }
+            ItemCollection doc = getInvoiceFromCache(id);
             if (doc!=null) {
                 result = result + doc.getItemValueDouble("invoice.total");
             }
@@ -105,6 +133,23 @@ public class OPListController implements Serializable {
 
     }
     
+    /**
+     * Hilfsmethode holt eine Rechnung aus dem Cache.
+     * @param id
+     * @return
+     */
+    private ItemCollection getInvoiceFromCache(String id) {
+        if (invoiceCache==null) {
+            return null;
+        }
+        for (ItemCollection invoice: invoiceCache) {
+            if (invoice.getUniqueID().equals(id)) {
+                return invoice;
+            }
+        }
+        return null;
+    }
+    
     /**
      * Berechnet den gesammten OP Saldo
      * @return
diff --git a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/datev/DatevCargosoftImportAdapter.java b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/datev/DatevCargosoftImportAdapter.java
index 1ed0c27..27ce2b0 100644
--- a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/datev/DatevCargosoftImportAdapter.java
+++ b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/datev/DatevCargosoftImportAdapter.java
@@ -247,7 +247,7 @@ public class DatevCargosoftImportAdapter implements SignalAdapter {
         // berechne Total:
         double total=0;
         for (ItemCollection zeile: splitBuchungen) {
-            if ("S".equals(zeile.getItemValueString("datev.shzeichen")) ) {
+            if ("H".equals(zeile.getItemValueString("datev.shzeichen")) ) {
                 total=total+zeile.getItemValueDouble("datev.umsatz");
             } else {
                 total=total-zeile.getItemValueDouble("datev.umsatz");
diff --git a/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/section_opliste.xhtml b/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/section_opliste.xhtml
index 50bed72..0cc17c7 100644
--- a/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/section_opliste.xhtml
+++ b/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/section_opliste.xhtml
@@ -9,6 +9,9 @@
 
 	<!-- Shows the op liste fo rthe current dbtr.number -->
 
+
+	<h:commandScript name="calculateOpSummary" execute="invoiceRefHolder_ID" render="opcalculater_id"  />
+
 	<h:panelGroup layout="block" styleClass="imixs-form-section" id="oplist-table" binding="#{opListContainer}">
 
 		<table style="width:100%;margin:5px;">
@@ -46,6 +49,7 @@
 					<td style="text-align: right;"><h:outputText
 							value="#{invoice.item['invoice.total']}">
 							<f:convertNumber minFractionDigits="2" locale="de" />
+							
 						</h:outputText></td>
 						<td />
 										
@@ -68,7 +72,8 @@
 				<td><strong>#{invoice.item['invoice.currency']}</strong></td>
 				
 				
-				<td style="text-align: right;"><strong><h:outputText
+				<td style="text-align: right;"><strong>
+				<h:outputText id="opcalculater_id"
 							value="#{opListController.calculateSum()}">
 							<f:convertNumber minFractionDigits="2" locale="de" />
 						</h:outputText></strong></td>
@@ -80,7 +85,7 @@
 		</table>
 		
 		<!-- dieses feld speichert die selection der rechnungen -->
-		<h:inputTextarea converter="org.imixs.VectorConverter" class="invoice_selection_list"
+		<h:inputTextarea id="invoiceRefHolder_ID" converter="org.imixs.VectorConverter" class="invoice_selection_list"
 			style="display:none;" value="#{workitem.itemList['$workitemref']}"/>
 							
 		
@@ -127,6 +132,9 @@
 							//console.log("new selection=" + selectionArr.join(','));
 							selection = $('.invoice_selection_list').val(
 									selectionArr.join('\n'));
+							
+							// refresh the opcalculator...
+							calculateOpSummary();
 						});
 					
 			}
diff --git a/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/sub_datevbuchung_read.xhtml b/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/sub_datevbuchung_read.xhtml
index 30dd3e9..b975d20 100644
--- a/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/sub_datevbuchung_read.xhtml
+++ b/office-alexander-logistics-app/src/main/webapp/pages/workitems/forms/alexander/sub_datevbuchung_read.xhtml
@@ -11,24 +11,17 @@
 		<f:ajax render="oderlist" onevent="updateOrderItems">
 			<table class="imixsdatatable imixs-orderitems">
 
-<!-- 
- dataItemCol.setItemValue("datev.umsatz", parseBetrag(DatevImportAdapter.csvVal(header1List[0])));
-                dataItemCol.setItemValue("datev.shzeichen", DatevImportAdapter.csvVal(header1List[1]));
-                dataItemCol.setItemValue("datev.wkz", DatevImportAdapter.csvVal(header1List[2]));
-                dataItemCol.setItemValue("datev.kurs", parseBetrag(DatevImportAdapter.csvVal(header1List[3])));
-                dataItemCol.setItemValue("datev.basisumsatz", parseBetrag(DatevImportAdapter.csvVal(header1List[4])));
-                dataItemCol.setItemValue("datev.konto", DatevImportAdapter.csvVal(header1List[6]));
- -->
+
 				<tr>
-					<th style="">#</th>
+					<th style="width: 20px;">#</th>
 					<th style="">Position<span class="imixs-required">
 							*</span></th>
 					<th style="width: 100px;">Umsatz</th>
 					<th style="width: 40px;">S/H</th>
 					<th style="width: 40px;">Währung</th>
-					<th style="width: 150px; text-align: right;">Kurs</th>
-					<th style="width: 150px; text-align: right;">Basisumsatz</th>
-					<th style="width: 150px; text-align: right;">Gegenkonto</th>
+					<th style="width: 70px; text-align: right;">Kurs</th>
+					<th style="width: 100px; text-align: right;">Basisumsatz</th>
+					<th style="width: 50px; text-align: right;">Gegenkonto</th>
 				</tr>
 
 				<ui:repeat var="orderitem" value="#{childItemController.childItems}">
@@ -36,21 +29,27 @@
 
 					<tr>
 						<!-- pos -->
-						<td><h:outputText value="#{orderitem.item['numpos']}" /></td>
+						<td style="text-align:center;"><h:outputText value="#{orderitem.item['numpos']}" /></td>
 
 						<td><h:outputText value="#{orderitem.item['datev.text']}" /></td>
 
 						<!-- Name -->
-						<td><h:outputText value="#{orderitem.item['datev.umsatz']}" /></td>
+						<td style="text-align:right;">
+							<h:outputText value="#{orderitem.item['datev.umsatz']}" >
+								<f:convertNumber minFractionDigits="2" locale="de" />
+							</h:outputText>
+						</td>
 
-						<td><h:outputText value="#{orderitem.item['datev.shzeichen']}" /></td>
+						<td style="text-align:center;"><h:outputText value="#{orderitem.item['datev.shzeichen']}" /></td>
 
 						<td><h:outputText value="#{orderitem.item['datev.wkz']}" /></td>
 						
-						<td><h:outputText value="#{orderitem.item['datev.kurs']}" /></td>
+						<td style="text-align:right;"><h:outputText value="#{orderitem.item['datev.kurs']}" /></td>
 
 						<td style="text-align: right;"><h:outputText
-								value="#{orderitem.item['datev.basisumsatz']}" /></td>
+								value="#{orderitem.item['datev.basisumsatz']}" >
+								<f:convertNumber minFractionDigits="2" locale="de" />
+							</h:outputText></td>
 
 						<td style="text-align: right;"><h:outputText
 								value="#{orderitem.item['datev.konto']}" /></td>
@@ -65,8 +64,10 @@
 					
 					<td style="text-align: right;">Summe:</td>
 					
-					<td class="orderlist_summary" style="text-align: right;"><h:outputText
+					<td class="orderlist_summary" style="text-align: right;">
+					<h:outputText
 							value="#{workitem.item['invoice.total']}">
+							<f:convertNumber minFractionDigits="2" locale="de" />
 						</h:outputText></td>
 <td />
 					<td /><td /><td /><td />
diff --git a/workflow/datev-import-1.0.0.bpmn b/workflow/datev-import-1.0.0.bpmn
index 96af7b0..e4fad31 100644
--- a/workflow/datev-import-1.0.0.bpmn
+++ b/workflow/datev-import-1.0.0.bpmn
@@ -497,7 +497,7 @@ if (workitem['$file.count'][0]!=1) {
           <imixs:value><![CDATA[]]></imixs:value>
         </imixs:item>
         <imixs:item name="keypublicresult" type="xs:string">
-          <imixs:value><![CDATA[1]]></imixs:value>
+          <imixs:value><![CDATA[0]]></imixs:value>
         </imixs:item>
       </bpmn2:extensionElements>
       <bpmn2:documentation id="Documentation_25"><![CDATA[Daten Import starten]]></bpmn2:documentation>
@@ -533,7 +533,7 @@ if (workitem['$file.count'][0]!=1) {
           <imixs:value><![CDATA[]]></imixs:value>
         </imixs:item>
         <imixs:item name="keypublicresult" type="xs:string">
-          <imixs:value><![CDATA[1]]></imixs:value>
+          <imixs:value><![CDATA[0]]></imixs:value>
         </imixs:item>
       </bpmn2:extensionElements>
       <bpmn2:documentation id="Documentation_27"><![CDATA[Daten Import starten]]></bpmn2:documentation>
diff --git a/workflow/rechnungsausgang-de-1.0.0.bpmn b/workflow/rechnungsausgang-de-1.0.0.bpmn
index 49dc4d4..88cca69 100644
--- a/workflow/rechnungsausgang-de-1.0.0.bpmn
+++ b/workflow/rechnungsausgang-de-1.0.0.bpmn
@@ -15,11 +15,10 @@
       <imixs:value><![CDATA[Bereichs-Verantwortliche | space.manager]]></imixs:value>
       <imixs:value><![CDATA[Bereichs-Team | space.team]]></imixs:value>
       <imixs:value><![CDATA[Bereichs-Assistenz | space.assist]]></imixs:value>
-      <imixs:value><![CDATA[Verantwortlich | sb.team]]></imixs:value>
     </imixs:item>
     <imixs:item name="txttimefieldmapping" type="xs:string">
       <imixs:value><![CDATA[Fälligkeitsdatum | invoice.duedate]]></imixs:value>
-      <imixs:value><![CDATA[Bezahldatum | invoice.postingdate]]></imixs:value>
+      <imixs:value><![CDATA[Wiedervorlage | invoice.reminder]]></imixs:value>
     </imixs:item>
     <imixs:item name="txtplugins" type="xs:string">
       <imixs:value><![CDATA[org.imixs.workflow.engine.plugins.ResultPlugin]]></imixs:value>
@@ -190,14 +189,11 @@ Bei Fragen wenden Sie sich bitte an info@imixs.com
         <imixs:item name="keyupdateacl" type="xs:boolean">
           <imixs:value>true</imixs:value>
         </imixs:item>
-        <imixs:item name="keyownershipfields" type="xs:string">
-          <imixs:value><![CDATA[sb.team]]></imixs:value>
-        </imixs:item>
+        <imixs:item name="keyownershipfields" type="xs:string"/>
         <imixs:item name="keyaddwritefields" type="xs:string">
           <imixs:value><![CDATA[process.team]]></imixs:value>
           <imixs:value><![CDATA[process.manager]]></imixs:value>
           <imixs:value><![CDATA[space.manager]]></imixs:value>
-          <imixs:value><![CDATA[sb.team]]></imixs:value>
         </imixs:item>
         <imixs:item name="namaddreadaccess" type="xs:string">
           <imixs:value><![CDATA[{process:?:member}]]></imixs:value>
@@ -295,7 +291,7 @@ Bei Fragen wenden Sie sich bitte an info@imixs.com
           <imixs:value><![CDATA[typcn-upload-outline]]></imixs:value>
         </imixs:item>
         <imixs:item name="txtworkflowsummary" type="xs:string">
-          <imixs:value><![CDATA[<itemvalue>invoice.number</itemvalue> <itemvalue>dbtr.number</itemvalue> <itemvalue>dbtr.name</itemvalue> (<itemvalue>invoice.currency</itemvalue> <itemvalue>invoice.total</itemvalue>) ]]></imixs:value>
+          <imixs:value><![CDATA[<itemvalue>invoice.number</itemvalue> <itemvalue>dbtr.number</itemvalue> <itemvalue>dbtr.name</itemvalue> (<itemvalue>invoice.currency</itemvalue> <itemvalue format="#,###,##0.00" locale="de_DE">invoice.total</itemvalue>) ]]></imixs:value>
         </imixs:item>
         <imixs:item name="keyupdateacl" type="xs:boolean">
           <imixs:value>true</imixs:value>
@@ -334,7 +330,9 @@ Bei Fragen wenden Sie sich bitte an info@imixs.com
     <item name="invoice.number" type="text"  label="Rechnungsnummer:" readonly="true" />
     <item name="invoice.date" type="date"  label="Rechnungsdatum:" readonly="true" />
     <item name="invoice.duedate" type="date"  label="Fälligkeit:"  readonly="true"/>
-    <item name="invoice.duedate2" type="custom" path="alexander/datumseingabe_tage"  required="true"  label="Wiedervorlage:" />
+  </imixs-form-section>
+  <imixs-form-section columns="3">
+    <item name="invoice.reminder" type="date"  required="true"  label="Wiedervorlage:" />
   </imixs-form-section>
 
 
@@ -1072,14 +1070,11 @@ result.isValid=true;
         <imixs:item name="keyupdateacl" type="xs:boolean">
           <imixs:value>true</imixs:value>
         </imixs:item>
-        <imixs:item name="keyownershipfields" type="xs:string">
-          <imixs:value><![CDATA[sb.team]]></imixs:value>
-        </imixs:item>
+        <imixs:item name="keyownershipfields" type="xs:string"/>
         <imixs:item name="keyaddwritefields" type="xs:string">
           <imixs:value><![CDATA[process.team]]></imixs:value>
           <imixs:value><![CDATA[process.manager]]></imixs:value>
           <imixs:value><![CDATA[space.manager]]></imixs:value>
-          <imixs:value><![CDATA[sb.team]]></imixs:value>
         </imixs:item>
         <imixs:item name="namaddreadaccess" type="xs:string">
           <imixs:value><![CDATA[{process:?:member}]]></imixs:value>
@@ -1276,7 +1271,6 @@ Betrag: <itemvalue>_amount</itemvalue> (Brutto € <itemvalue>_amount_brutto</it
           <imixs:value><![CDATA[process.manager]]></imixs:value>
           <imixs:value><![CDATA[process.team]]></imixs:value>
           <imixs:value><![CDATA[space.manager]]></imixs:value>
-          <imixs:value><![CDATA[sb.team]]></imixs:value>
         </imixs:item>
         <imixs:item name="numnextactivityid" type="xs:int">
           <imixs:value><![CDATA[0]]></imixs:value>