diff --git a/Service/ServiceContracts/IAdminService.cs b/Service/ServiceContracts/IAdminService.cs
index 17e9fb572..b823a5c7d 100644
--- a/Service/ServiceContracts/IAdminService.cs
+++ b/Service/ServiceContracts/IAdminService.cs
@@ -25,6 +25,6 @@ namespace BeWo.Service.ServiceContracts
 
 		[OperationContract]
 		[WebInvoke(UriTemplate = "/GetGkvSum?detail={flag}", Method = "POST", RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
-		object GetGkvAbrechnungSumme(AdminServiceSumReqDC request, string flag);
+		AdminServiceSumResponseDC GetGkvAbrechnungSumme(AdminServiceSumReqDC request, string flag);
 	}
 }
diff --git a/Service/ServiceImplementations/AdminServiceImp.cs b/Service/ServiceImplementations/AdminServiceImp.cs
index 69e439f11..cc30e8c81 100644
--- a/Service/ServiceImplementations/AdminServiceImp.cs
+++ b/Service/ServiceImplementations/AdminServiceImp.cs
@@ -3,6 +3,7 @@ using BeWo.Data.Entities;
 using BeWo.Data.Entities.Light;
 using BeWo.Service.DCEntityMapper;
 using BeWo.Service.ServiceContracts;
+using BS.Shared;
 using BS.Shared.Core;
 using BS.Shared.DataContracts.AdminService;
 using BS.Shared.Extensions;
@@ -10,6 +11,7 @@ using DevExpress.Pdf.Native.BouncyCastle.Ocsp;
 using Newtonsoft.Json;
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Linq;
 using System.ServiceModel;
 using System.Text;
@@ -30,7 +32,7 @@ namespace BeWo.Service.ServiceImplementations
 			return echo;
 		}
 
-		public object GetGkvAbrechnungSumme(AdminServiceSumReqDC request, string detail)
+		public AdminServiceSumResponseDC GetGkvAbrechnungSumme(AdminServiceSumReqDC request, string detail)
 		{
 			if (request == null)
 			{
@@ -46,14 +48,13 @@ namespace BeWo.Service.ServiceImplementations
 			{
 				throw new ArgumentException("end entspricht nicht ISO8601 Norm.");
 			}
-
-			var sum = DAOFactory.ScriptDAO.GetGkvSumByDateRange(start, end);
+			 
+			var res = new AdminServiceSumResponseDC();
+			res.Sum = DAOFactory.ScriptDAO.GetGkvSumByDateRange(start, end);
 
 			if (detail != "true")
 			{
-				var json = JsonUtils.ToSimpleJson("sum", sum);
-
-				return json;
+				return res;
 			}
 
 			string detail_res;
@@ -64,42 +65,37 @@ namespace BeWo.Service.ServiceImplementations
 				var protokolle = DAOFactory.GenericDAO.LoadByIDs<GkvTransferProtokollLight>(protokolle_oids);
 				var abrechnung_oids = protokolle.Select(x => x.GkvAbrechnungOid).Distinct();
 				var abrechnung = DAOFactory.GenericDAO.LoadByIDs<GkvAbrechnungLight>(abrechnung_oids);
+				var abrechnung_dc = MapperFactory.GkvAbrechnungLight.MapToNewDCs(abrechnung);
 
-				var objs = abrechnung.Select(x =>
+				res.Details = abrechnung_dc.Select(x =>
 				{
 					var t = x.TransferProtokolle.First();
-					return new
+					var state = x.GetState();
+
+					return new AdminServiceSumResponseDetailDC()
 					{
-						oid = x.Oid,
-						toid = t.Oid,
-						created = x.ErstelltAm,
-						rec = t.BezDatenannahmestelle,
-						str = x.AbrechnungsZeitraumStart,
-						end = x.AbrechnungsZeitraumEnde,
-						ver = x.Verfahrensstufe.ToString(),
-						sta = x.GetState().ToString(),
-						urg = x.UrbelegeGesendet,
-						bez = x.Bezahlt,
-						sum = x.Betrag.ToString("0.00€")
+						Oid = x.Oid,
+						ProtokollOid = t.Oid.Value,
+						ErstelltAm = x.ErstelltAm.ToString("o", CultureInfo.InvariantCulture),
+						Empfanger = t.BezDatenannahmestelle,
+						AbrechnungsZeitraumStart = x.AbrechnungsZeitraumStart?.ToString("o", CultureInfo.InvariantCulture),
+						AbrechnungsZeitraumEnde = x.AbrechnungsZeitraumEnde?.ToString("o", CultureInfo.InvariantCulture),
+						VerfahrensstufeInt = x.Verfahrensstufe,
+						Verfahrensstufe = ((GkvVerfahrensstufe)x.Verfahrensstufe).ToString(),
+						StateInt = (int)state,
+						State = state.ToString(),
+						UrbelegeGesendet = x.UrbelegeGesendet,
+						Bezahlt = x.Bezahlt,
+						Betrag = x.Betrag
 					};
 				});
-
-				detail_res = JsonUtils.ConvertToJson(objs);
 			}
 			else
 			{
-				detail_res = "no records found";
+				res.Details = new List<AdminServiceSumResponseDetailDC>();
 			}
 
-			var rtn = new
-			{
-				sum = sum?.ToString("0.00") ?? "0.00",
-				predicate = detail_res,
-			};
-
-			var json2 = JsonUtils.ConvertToJson(rtn);
-
-			return json2;
+			return res;
 		}
 	}
 }
diff --git a/Shared/DataContracts/AdminService/AdminServiceSumResponseDC.cs b/Shared/DataContracts/AdminService/AdminServiceSumResponseDC.cs
new file mode 100644
index 000000000..0ddb6c5fe
--- /dev/null
+++ b/Shared/DataContracts/AdminService/AdminServiceSumResponseDC.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BS.Shared.DataContracts.AdminService
+{
+	[DataContract]
+	public class AdminServiceSumResponseDC : IAdminServiceDC
+	{
+		[DataMember(Name = "sum", Order = 1)]
+		public decimal? Sum { get; set; }
+
+		[DataMember(Name = "details", EmitDefaultValue = false, Order = 2)]
+		public IEnumerable<AdminServiceSumResponseDetailDC> Details { get; set; }
+	}
+}
diff --git a/Shared/DataContracts/AdminService/AdminServiceSumResponseDetailDC.cs b/Shared/DataContracts/AdminService/AdminServiceSumResponseDetailDC.cs
new file mode 100644
index 000000000..4cdd3909c
--- /dev/null
+++ b/Shared/DataContracts/AdminService/AdminServiceSumResponseDetailDC.cs
@@ -0,0 +1,55 @@
+using BS.Shared.Interface;
+using DevExpress.Mvvm.DataAnnotations;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BS.Shared.DataContracts.AdminService
+{
+	[DataContract]
+	public class AdminServiceSumResponseDetailDC : IAdminServiceDC
+	{
+		[DataMember(Name = "a.oid", Order = 1)] 
+		public long Oid { get; set; }
+
+		[DataMember(Name = "t.oid", Order = 2)]
+		public long ProtokollOid { get; set; }
+
+		[DataMember(Name = "sum", Order = 3)]
+		public decimal Betrag { get; set; }
+
+		[DataMember(Name = "paid", Order = 4)]
+		public bool Bezahlt { get; set; }
+
+		[DataMember(Name = "urbelege_sent", Order = 5)]
+		public bool UrbelegeGesendet { get; set; }
+
+		[DataMember(Name = "receiver", Order = 6)]
+		public string Empfanger { get; set; }
+
+		[DataMember(Name = "create", Order = 7)]
+		public string ErstelltAm { get; set; }
+
+		[DataMember(Name = "gkv_start", Order = 8)]
+		public string AbrechnungsZeitraumStart { get; set; }
+
+		[DataMember(Name = "gkv_end", Order = 9)]
+		public string AbrechnungsZeitraumEnde { get; set; }
+
+		[DataMember(Name = "level", Order = 10)]
+		public int VerfahrensstufeInt { get; set; }
+
+		[DataMember(Name = "level_string", Order = 11)]
+		public string Verfahrensstufe { get; set; }
+
+		[DataMember(Name = "state", Order = 20)]
+		public int StateInt { get; set; }
+
+		[DataMember(Name = "state_string", Order = 21)]
+		public string State { get; set; }
+	}
+}
diff --git a/Shared/Shared.csproj b/Shared/Shared.csproj
index c3e6108f1..37f92f697 100644
--- a/Shared/Shared.csproj
+++ b/Shared/Shared.csproj
@@ -178,6 +178,8 @@
     <Compile Include="Core\WohnheimbuchungsIntervall.cs" />
     <Compile Include="DataContracts\AbsenceOverviewFilterDC.cs" />
     <Compile Include="DataContracts\AddressDC.cs" />
+    <Compile Include="DataContracts\AdminService\AdminServiceSumResponseDC.cs" />
+    <Compile Include="DataContracts\AdminService\AdminServiceSumResponseDetailDC.cs" />
     <Compile Include="DataContracts\AdminService\IAdminServiceDC.cs" />
     <Compile Include="DataContracts\AdminService\AdminServiceSumReqDC.cs" />
     <Compile Include="DataContracts\Feature\AI\AiConfigDC.cs" />