diff --git a/ReportImp/PsychosozialeProjekteSaarpfalz/Invoicing/CustomInvoiceCreation.cs b/ReportImp/PsychosozialeProjekteSaarpfalz/Invoicing/CustomInvoiceCreation.cs
index dad4910b4..581f699c3 100644
--- a/ReportImp/PsychosozialeProjekteSaarpfalz/Invoicing/CustomInvoiceCreation.cs
+++ b/ReportImp/PsychosozialeProjekteSaarpfalz/Invoicing/CustomInvoiceCreation.cs
@@ -40,7 +40,56 @@ namespace PsychosozialeProjekteSaarpfalz.Invoicing
         {
             return GenerateServiceInvoices(costBearerOid, invoicePeriod, supportConcepts2ServiceRecords, true);
         }
+        public override List<ServiceInvoiceDC> GenerateServiceInvoices(long costBearerOid,
+            DateTimeSpan invoicePeriod,
+            Dictionary<CompactSupportConceptDC, List<ServiceRecordDC>> supportConcepts2ServiceRecords, bool splitInvoices)
+        {
+            var costBearer = DAOFactory.GenericDAO.LoadByID<CostBearer>(costBearerOid);
+            var invoiceList = new List<ServiceInvoice>();
 
+            var invoiceCounter = 0;
+            ServiceInvoice invoice;
+
+            if (costBearer.IsSingleInvoicePerCustomer)
+            {
+                invoice = CreateCollectiveBilling(costBearer, invoicePeriod, supportConcepts2ServiceRecords);
+                if (invoice != null)
+                {
+                    invoiceList.Add(invoice);
+                }
+            }
+            else
+            {
+                foreach (var iSupportConcept2ServiceRecords in supportConcepts2ServiceRecords)
+                {
+                    invoice = CreateSingleInvoice(invoiceCounter, costBearer, invoicePeriod, iSupportConcept2ServiceRecords.Key, iSupportConcept2ServiceRecords.Value);
+                    if (invoice != null)
+                    {
+                        if (splitInvoices && invoice.ServiceInvoicePeriodList.Count > 1
+                            && !invoice.ServiceInvoicePeriodList.Any(s => s.Start == invoicePeriod.StartDate && s.End == invoicePeriod.EndDate))
+                        {
+                            foreach (var sip in invoice.ServiceInvoicePeriodList)
+                            {
+                                DateTimeSpan invPeriod = new DateTimeSpan(invoicePeriod.StartDate, invoicePeriod.EndDate);
+                                invPeriod.StartDate = sip.Start.Value;
+                                invPeriod.EndDate = sip.End.Value;
+                                var partInvoice = CreateSingleInvoice(invoiceCounter, costBearer, invPeriod, iSupportConcept2ServiceRecords.Key, iSupportConcept2ServiceRecords.Value);
+                                partInvoice.ServiceInvoicePeriodList.Add(sip);
+                                invoiceList.Add(partInvoice);
+                                invoiceCounter++;
+                            }
+                        }
+                        else
+                        {
+                            invoiceList.Add(invoice);
+                            invoiceCounter++;
+                        }
+                    }
+                }
+            }
+            var result = invoiceList.Select(item => MapperFactory.ServiceInvoiceDC_ServiceInvoice.MapToNewDC(item)).ToList();
+            return result.Count > 1 ? result.OrderBy(i => i.InvoiceBase.CustomerLastName).ToList() : result;
+        }
         public override void SetSenderInformation(ServiceInvoice serviceInvoice)
         {
             base.SetSenderInformation(serviceInvoice);