diff --git a/Hcs.Client/Client/Api/Registry/Registry27.cs b/Hcs.Client/Client/Api/Registry/Registry27.cs
index c945f83..c3e1bd4 100644
--- a/Hcs.Client/Client/Api/Registry/Registry27.cs
+++ b/Hcs.Client/Client/Api/Registry/Registry27.cs
@@ -11,6 +11,6 @@
         /// </summary>
         public static RegistryElement Element1 => new(
             "1",
-            "3e86b303-62be-4837-91c1-ed2475702c65");
+            "3a9687b5-caed-4ec6-8a08-f4d3d012f2c7");
     }
 }
diff --git a/Hcs.Client/Client/Api/Request/DeviceMetering/ExportMeteringDeviceHistoryRequest.cs b/Hcs.Client/Client/Api/Request/DeviceMetering/ExportMeteringDeviceHistoryRequest.cs
index d1afc81..8a4c11a 100644
--- a/Hcs.Client/Client/Api/Request/DeviceMetering/ExportMeteringDeviceHistoryRequest.cs
+++ b/Hcs.Client/Client/Api/Request/DeviceMetering/ExportMeteringDeviceHistoryRequest.cs
@@ -70,35 +70,44 @@ namespace Hcs.Client.Api.Request.DeviceMetering
         {
             var items = new List<object>();
             var itemsElementName = new List<ItemsChoiceType4>();
-            foreach (var meteringDeviceType in payload.meteringDeviceType)
+            if (payload.meteringDeviceType != null)
             {
-                items.Add(new nsiRef()
+                foreach (var meteringDeviceType in payload.meteringDeviceType)
                 {
-                    Code = meteringDeviceType.Code,
-                    GUID = meteringDeviceType.GUID
-                });
-                itemsElementName.Add(ItemsChoiceType4.MeteringDeviceType);
+                    items.Add(new nsiRef()
+                    {
+                        Code = meteringDeviceType.Code,
+                        GUID = meteringDeviceType.GUID
+                    });
+                    itemsElementName.Add(ItemsChoiceType4.MeteringDeviceType);
+                }
             }
-            foreach (var municipalResource in payload.municipalResource)
+            if (payload.municipalResource != null)
             {
-                items.Add(new nsiRef()
+                foreach (var municipalResource in payload.municipalResource)
                 {
-                    Code = municipalResource.Code,
-                    GUID = municipalResource.GUID
-                });
-                itemsElementName.Add(ItemsChoiceType4.MunicipalResource);
+                    items.Add(new nsiRef()
+                    {
+                        Code = municipalResource.Code,
+                        GUID = municipalResource.GUID
+                    });
+                    itemsElementName.Add(ItemsChoiceType4.MunicipalResource);
+                }
             }
-            foreach (var meteringDeviceRootGUID in payload.meteringDeviceRootGUID)
+            if (payload.meteringDeviceRootGUID != null)
             {
-                items.Add(meteringDeviceRootGUID);
-                itemsElementName.Add(ItemsChoiceType4.MeteringDeviceRootGUID);
+                foreach (var meteringDeviceRootGUID in payload.meteringDeviceRootGUID)
+                {
+                    items.Add(meteringDeviceRootGUID);
+                    itemsElementName.Add(ItemsChoiceType4.MeteringDeviceRootGUID);
+                }
             }
 
             // http://open-gkh.ru/DeviceMetering/exportMeteringDeviceHistoryRequest.html
             var request = new exportMeteringDeviceHistoryRequest
             {
                 Id = Constants.SIGNED_XML_ELEMENT_ID,
-                version = "15.7.0.1",
+                version = "13.1.3.1",
                 FIASHouseGuid = payload.fiasHouseGuid,
                 Items = [.. items],
                 ItemsElementName = [.. itemsElementName]