diff --git a/Contracts/Corresponsalias/ICorresponsaliasTraficosRepository.cs b/Contracts/Corresponsalias/ICorresponsaliasTraficosRepository.cs
index f31c9a0..e788009 100644
--- a/Contracts/Corresponsalias/ICorresponsaliasTraficosRepository.cs
+++ b/Contracts/Corresponsalias/ICorresponsaliasTraficosRepository.cs
@@ -16,5 +16,7 @@ namespace CORRESPONSALBackend.Contracts.Corresponsalias
         public Task<Boolean> ValidaTraficoCompleto(DTOTraficoCompleto data);
         public Task<Boolean> RectificacionHistoricoAppend(DTORectificacionHistorico data);
         public Task<CorresponsaliasTraficoRectificacionHistorico> RectificacionHistoricoGet(int IdTrafico);
+
+        public Task<string> ValidaTraficoDuplicado(int aduana, int patente, int pedimento);
     }
 }
\ No newline at end of file
diff --git a/Controllers/Corresponsalias/TraficosController.cs b/Controllers/Corresponsalias/TraficosController.cs
index 32dc562..65c348f 100644
--- a/Controllers/Corresponsalias/TraficosController.cs
+++ b/Controllers/Corresponsalias/TraficosController.cs
@@ -127,5 +127,13 @@ namespace CORRESPONSALBackend.Controllers.Corresponsalias
             var entrada = await _Repo.RectificacionHistoricoGet(IdTrafico);
             return entrada;
         }
+
+        [HttpGet]
+        [Route("Duplicado")]
+        public async Task<string> ValidaTraficoDuplicado(int aduana, int patente, int pedimento)
+        {
+            var referencia = await _Repo.ValidaTraficoDuplicado(aduana, patente, pedimento);
+            return referencia;
+        }
     }
 }
\ No newline at end of file
diff --git a/Repository/Corresponsalias/CorresponsaliasTraficosRepository.cs b/Repository/Corresponsalias/CorresponsaliasTraficosRepository.cs
index c3bfd84..56e6244 100644
--- a/Repository/Corresponsalias/CorresponsaliasTraficosRepository.cs
+++ b/Repository/Corresponsalias/CorresponsaliasTraficosRepository.cs
@@ -147,5 +147,20 @@ namespace CORRESPONSALBackend.Repository.Corresponsalias
             return entrada.FirstOrDefault(new CorresponsaliasTraficoRectificacionHistorico { });
         }
 
+        public async Task<string> ValidaTraficoDuplicado(int aduana, int patente, int pedimento)
+        {
+            var query = "[Corresponsales.Trafico.ValidateDuplicity]";
+            using var connection = _context.CreateConnection();
+            var trafico = await connection.QueryAsync<ITrafico>(query, new { @aduana = aduana, @patente = patente, @pedimento = pedimento }, commandType: CommandType.StoredProcedure);
+            if (trafico.Count() > 0)
+            {
+                var referencia = trafico.ToList()[0];
+                return referencia.FolioGemco;
+            }
+            else {
+                return "";
+            }
+        }
+
     }
 }
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