diff --git a/app/Http/Controllers/Repuve/ExcelController.php b/app/Http/Controllers/Repuve/ExcelController.php
index 5a63c01..8583c12 100644
--- a/app/Http/Controllers/Repuve/ExcelController.php
+++ b/app/Http/Controllers/Repuve/ExcelController.php
@@ -22,6 +22,7 @@
 use PhpOffice\PhpSpreadsheet\Style\Fill;
 use PhpOffice\PhpSpreadsheet\Worksheet\Drawing;
 use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\Log;
 use Illuminate\Routing\Controllers\HasMiddleware;
 
 
@@ -381,9 +382,23 @@ public function constanciasSustituidas(Request $request)
                 ->orderBy('created_at', 'asc')
                 ->first();
 
-            // Consultar REPUVE Nacional para obtener el folio_CI que se sustituyó
-            $repuveData = $this->repuveService->consultarVehiculo($log->vehicle->niv, $log->vehicle->placa);
-            $folioCi = $repuveData['folio_CI'] ?? '';
+            // Usar folio_anterior guardado; si no existe, consultar RepuveService
+            $folioAnt = $log->folio_anterior;
+            if ($folioAnt === null) {
+                Log::info('[constanciasSustituidas] Registro histórico sin folio_anterior, consultando RepuveService', [
+                    'log_id'    => $log->id,
+                    'vehicle_id'=> $log->vehicle_id,
+                    'niv'       => $log->vehicle->niv,
+                    'placa'     => $log->vehicle->placa,
+                ]);
+                $repuveData = $this->repuveService->consultarVehiculo($log->vehicle->niv, $log->vehicle->placa);
+                $folioAnt = $repuveData['folio_CI'] ?? '';
+                Log::info('[constanciasSustituidas] Respuesta RepuveService', [
+                    'log_id'         => $log->id,
+                    'folio_CI'       => $folioAnt,
+                    'repuve_has_error' => $repuveData['has_error'] ?? false,
+                ]);
+            }
 
             return [
                 'niv'           => $log->vehicle->niv ?? '',
@@ -391,7 +406,7 @@ public function constanciasSustituidas(Request $request)
                 'marca'         => $log->vehicle->marca ?? '',
                 'placa'         => $log->vehicle->placa ?? '',
                 'modelo'        => $log->vehicle->modelo ?? '',
-                'folio_ant'     => $folioCi,
+                'folio_ant'     => $folioAnt,
                 'folio_act'     => $newTagLog?->tag?->folio ?? '',
                 'chip'          => substr($newTagLog?->tag?->rfid ?? $newTagLog?->tag?->tag_number ?? '', 0, 24),
                 'fecha'         => $log->cancellation_at?->format('d/m/Y') ?? $log->created_at->format('d/m/Y'),
diff --git a/app/Http/Controllers/Repuve/UpdateController.php b/app/Http/Controllers/Repuve/UpdateController.php
index 62b6f11..9098ba0 100644
--- a/app/Http/Controllers/Repuve/UpdateController.php
+++ b/app/Http/Controllers/Repuve/UpdateController.php
@@ -150,6 +150,10 @@ public function tagSubstitution(Request $request)
                 ]);
             }
 
+            // Obtener folio_CI de REPUVE antes de cancelar (folio anterior)
+            $repuveData = $this->repuveService->consultarVehiculo($vehicle->niv, $vehicle->placa);
+            $folioAnterior = $repuveData['folio_CI'] ?? null;
+
             DB::beginTransaction();
 
             // Cancelar el TAG anterior
@@ -159,6 +163,7 @@ public function tagSubstitution(Request $request)
             VehicleTagLog::create([
                 'vehicle_id' => $vehicle->id,
                 'tag_id' => $oldTag->id,
+                'folio_anterior' => $folioAnterior,
                 'new_tag_folio' => $newTagFolio,
                 'new_tag_number' => $newTagNumber,
                 'action_type' => 'sustitucion',
diff --git a/app/Models/VehicleTagLog.php b/app/Models/VehicleTagLog.php
index c02096e..720aaea 100644
--- a/app/Models/VehicleTagLog.php
+++ b/app/Models/VehicleTagLog.php
@@ -14,6 +14,7 @@ class VehicleTagLog extends Model
     protected $fillable = [
         'vehicle_id',
         'tag_id',
+        'folio_anterior',
         'action_type',
         'cancellation_reason_id',
         'cancellation_observations',
diff --git a/database/migrations/2026_03_25_094012_add_folio_anterior_to_vehicle_tags_logs_table.php b/database/migrations/2026_03_25_094012_add_folio_anterior_to_vehicle_tags_logs_table.php
new file mode 100644
index 0000000..c43febe
--- /dev/null
+++ b/database/migrations/2026_03_25_094012_add_folio_anterior_to_vehicle_tags_logs_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('vehicle_tags_logs', function (Blueprint $table) {
+            $table->string('folio_anterior')->nullable()->after('tag_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('vehicle_tags_logs', function (Blueprint $table) {
+            $table->dropColumn('folio_anterior');
+        });
+    }
+};