diff --git a/WebAPI/dataProcessors/t3.SingleSource.processor.cs b/WebAPI/dataProcessors/t3.SingleSource.processor.cs
index 77bba86..2b93338 100644
--- a/WebAPI/dataProcessors/t3.SingleSource.processor.cs
+++ b/WebAPI/dataProcessors/t3.SingleSource.processor.cs
@@ -7,7 +7,8 @@ namespace WebAPI.dataProcessors;
 
 public class T3SingleSourceProcessor(
     AppDbContext db,
-    LayersController controller)
+    LayersController controller,
+        LogsController logsController)
 {
     public void Process(Layer processWorker)
     {
@@ -23,7 +24,7 @@ public class T3SingleSourceProcessor(
         {
             throw new Exception("SourceImportWorkerL layer not found");
         }
-        var source= processWorker.Records?.SingleOrDefault(x => x.Code == "Source")?.Desc1;
+        var source = processWorker.Records?.SingleOrDefault(x => x.Code == "Source")?.Desc1;
         if (sourceLayer == null)
         {
             throw new Exception("Source record not found");
@@ -55,7 +56,7 @@ public class T3SingleSourceProcessor(
         processedLayer.ModifiedById = Guid.Parse("F392209E-123E-4651-A5A4-0B1D6CF9FF9D");
         processedLayer.ModifiedAt = DateTime.UtcNow;
 
-            
+
         var newRecords = new List<Record>();
 
         var dataSources = db.Layers
@@ -70,6 +71,18 @@ public class T3SingleSourceProcessor(
             throw new Exception($"DataSources are empty, {sourceImportWorker.Name}");
         }
 
+        if (!dataSources.Any(x => x.CreatedAt > processedLayer.ModifiedAt))
+        {
+            logsController.AddEntry(new LogEntry
+            {
+                Title = $"{processWorker.Name}, {processWorker.Id}",
+                Type = LogEntryType.Info,
+                LogType = LogType.Process,
+                Message = $"Layer is up to date",
+                CreatedAt = DateTime.UtcNow
+            });
+            return;
+        }
 
         var allRecords = dataSources.SelectMany(x => x.Records!).ToList();
 
@@ -92,14 +105,15 @@ public class T3SingleSourceProcessor(
             ProcessHelper.SetValue(processedRecord, 1, firstVal);
             var previousValue = firstVal;
             //days 2-29/30
-            for (var i=2; i<lastDayInMonth; i++)
+            for (var i = 2; i < lastDayInMonth; i++)
             {
                 var dayVal = codeRecords
                     .Where(x => x.CreatedAt.Day == i && x.CreatedAt.Month == month).MaxBy(x => x.CreatedAt)?.Value1;
                 if (dayVal == null)
                 {
                     ProcessHelper.SetValue(processedRecord, i, 0);
-                } else
+                }
+                else
                 {
                     var processedVal = dayVal - previousValue;
                     ProcessHelper.SetValue(processedRecord, i, processedVal);
@@ -113,7 +127,8 @@ public class T3SingleSourceProcessor(
             if (lastVal == null)
             {
                 ProcessHelper.SetValue(processedRecord, lastDayInMonth, 0);
-            } else
+            }
+            else
             {
                 ProcessHelper.SetValue(processedRecord, lastDayInMonth, (double)lastVal - previousValue);
             }
@@ -124,16 +139,17 @@ public class T3SingleSourceProcessor(
 
             newRecords.Add(processedRecord);
         }
-            
+
         if (isNew)
         {
             db.Layers.Add(processedLayer);
-        } else
+        }
+        else
         {
             db.Layers.Update(processedLayer);
         }
         controller.SaveRecords(processedLayer.Id, newRecords, Guid.Parse("F392209E-123E-4651-A5A4-0B1D6CF9FF9D"));
         db.SaveChanges();
     }
-        
+
 }
\ No newline at end of file