diff --git a/Controllers/LinesController.cs b/Controllers/LinesController.cs
index 464f1a9..8328fcb 100644
--- a/Controllers/LinesController.cs
+++ b/Controllers/LinesController.cs
@@ -1602,18 +1602,17 @@ namespace line_gestao_api.Controllers
         {
             var hasItem = false;
             var hasNumeroChip = false;
+            var hasObservacoes = false;
 
             foreach (var cell in row.CellsUsed())
             {
                 var k = NormalizeHeader(cell.GetString());
-                if (k == "ITEM") hasItem = true;
-                if (k == "NODOCHIP" || k == "NUMERODOCHIP" || k == "NDOCHIP" || k == "NUMDOCHIP")
-                {
-                    hasNumeroChip = true;
-                }
+                if (k.Contains("ITEM")) hasItem = true;
+                if (k.Contains("CHIP")) hasNumeroChip = true;
+                if (k.Contains("OBSERV")) hasObservacoes = true;
             }
 
-            return hasItem && hasNumeroChip;
+            return hasItem && hasNumeroChip && hasObservacoes;
         }
 
         // ==========================================================