diff --git a/app/Http/Controllers/ReservaController.php b/app/Http/Controllers/ReservaController.php
index ce3e87c..13d66b5 100644
--- a/app/Http/Controllers/ReservaController.php
+++ b/app/Http/Controllers/ReservaController.php
@@ -368,9 +368,12 @@ public function destroy(Request $request, Reserva $reserva)
         $parent_id = $reserva->parent_id;
         $purge = !is_null($request->input('purge'));
 
+        $justificativa = $request->input('justificativa_recusa');
+
         $reserva->removerTarefa_AprovacaoAutomatica();
 
-        if(config('salas.emailConfigurado')) Mail::queue(new DeleteReservaMail($reserva, $purge));
+        if(config('salas.emailConfigurado'))
+            Mail::queue(new DeleteReservaMail($reserva, $purge, $justificativa));
 
         if($purge){
             Reserva::where('parent_id', $reserva->parent_id)->delete();
diff --git a/app/Http/Controllers/SalaController.php b/app/Http/Controllers/SalaController.php
index 8e042ce..fa3fc5b 100644
--- a/app/Http/Controllers/SalaController.php
+++ b/app/Http/Controllers/SalaController.php
@@ -204,6 +204,7 @@ public function update(SalaRequest $request, Sala $sala)
                 'periodo_letivo_id'    => $validated['periodo_letivo'],
                 'aprovacao'            => $validated['aprovacao'],
                 'prazo_aprovacao'      => $validated['prazo_aprovacao'],
+                'exige_justificativa_recusa' => $validated['exige_justificativa_recusa'],
             ]
             );
 
diff --git a/app/Http/Requests/SalaRequest.php b/app/Http/Requests/SalaRequest.php
index d791071..28b2051 100644
--- a/app/Http/Requests/SalaRequest.php
+++ b/app/Http/Requests/SalaRequest.php
@@ -44,6 +44,7 @@ public function rules()
             'instrucoes_reserva'    => 'nullable',
             'aceite_reserva'        => 'nullable',
             'prazo_aprovacao'       => 'nullable|integer',
+            'exige_justificativa_recusa' => 'required|integer',
         ];
     }
 
diff --git a/app/Mail/DeleteReservaMail.php b/app/Mail/DeleteReservaMail.php
index 0d24251..240391d 100644
--- a/app/Mail/DeleteReservaMail.php
+++ b/app/Mail/DeleteReservaMail.php
@@ -12,19 +12,21 @@
 
 class DeleteReservaMail extends Mailable
 {
-    use Queueable, SerializesModels;
+    use Queueable;    // SerializesModels provocava erro de reserva já deletada e tendo acessá-la
     private $reserva;
     private $purge;
+    private $justificativa;
 
     /**
      * Create a new message instance.
      *
      * @return void
      */
-    public function __construct(Reserva $reserva, bool $purge = false)
+    public function __construct(Reserva $reserva, bool $purge = false, string $justificativa = null)
     {
         $this->reserva = $reserva;
         $this->purge = $purge;
+        $this->justificativa = $justificativa;
     }
 
     /**
@@ -40,7 +42,8 @@ public function build()
                     ->to($user->email)
                     ->with([
                         'reserva' => $this->reserva,
-                        'purge' => $this->purge
+                        'purge' => $this->purge,
+                        'justificativa' => $this->justificativa
                     ]);
     }
 }
diff --git a/database/migrations/2026_01_14_113400_add_exige_justificativa_recusa_column_to_restricoes_table.php b/database/migrations/2026_01_14_113400_add_exige_justificativa_recusa_column_to_restricoes_table.php
new file mode 100644
index 0000000..7808a22
--- /dev/null
+++ b/database/migrations/2026_01_14_113400_add_exige_justificativa_recusa_column_to_restricoes_table.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddExigeJustificativaRecusaColumnToRestricoesTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('restricoes', function (Blueprint $table) {
+            $table->boolean('exige_justificativa_recusa')->default(false);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('restricoes', function (Blueprint $table) {
+            $table->dropColumn('exige_justificativa_recusa');
+        });
+    }
+}
diff --git a/database/migrations/2026_01_15_142100_add_justificativa_recusa_column_to_reservas_table.php b/database/migrations/2026_01_15_142100_add_justificativa_recusa_column_to_reservas_table.php
new file mode 100644
index 0000000..fd58861
--- /dev/null
+++ b/database/migrations/2026_01_15_142100_add_justificativa_recusa_column_to_reservas_table.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddJustificativaRecusaColumnToReservasTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('reservas', function (Blueprint $table) {
+            $table->text('justificativa_recusa')->nullable()->after('status');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('reservas', function (Blueprint $table) {
+            $table->dropColumn('justificativa_recusa');
+        });
+    }
+}
diff --git a/resources/views/emails/delete_reserva.blade.php b/resources/views/emails/delete_reserva.blade.php
index d9f8939..3796377 100644
--- a/resources/views/emails/delete_reserva.blade.php
+++ b/resources/views/emails/delete_reserva.blade.php
@@ -15,6 +15,14 @@
     <p><b>Data:</b> {{$reserva->data}} </p>
 @endif
 
+@if (!empty($justificativa))
+    <br>
+    <div style="border: 1px solid #ccc; padding: 10px; background-color: #f9f9f9;">
+        <strong>Motivo da Recusa:</strong><br>
+        {{ $justificativa }}
+    </div>
+@endif
+
 <br>
 
-<p>Mensagem automática do sistema de reserva de salas: {{route('home')}}</p>
\ No newline at end of file
+<p>Mensagem automática do sistema de reserva de salas: {{route('home')}}</p>
diff --git a/resources/views/reserva/partials/fields.blade.php b/resources/views/reserva/partials/fields.blade.php
index c9fcb39..70de0b9 100644
--- a/resources/views/reserva/partials/fields.blade.php
+++ b/resources/views/reserva/partials/fields.blade.php
@@ -21,7 +21,7 @@
 
 @if ($reserva->status == 'pendente')
    <div style="background-color: {{config('salas.cores.pendente')}}" class="p-2 mb-2 rounded">
-     Pendente    
+     Pendente
    </div>
 @endif
 
@@ -121,10 +121,10 @@
         @if($reserva->irmaos())
             <div class="card-body">
                 <b>Recorrências:</b>
-                @php 
+                @php
                     $reservas_array = $reserva->irmaos()->toArray();
                 @endphp
-                
+
                 @foreach($reservas_array as $key => $reservaIterator)
                     <a href="/reservas/{{ $reservaIterator['id'] }}">{{ $reservaIterator['data'] }}</a>@if( $key !== count($reservas_array) -1 ),@endif
                 @endforeach
@@ -138,13 +138,42 @@
 
 @if ($reserva->status == 'pendente')
     @can('responsavel', $reserva->sala)
-        <form action="{{route('reservas.destroy', $reserva)}}" method="POST" id="form-reserva-recusar" onsubmit="return confirm('Recusar reserva?')">
-            @csrf
-            @method('DELETE')
-        </form>
+        @if ($reserva->sala->restricao->exige_justificativa_recusa)
+            <div class="modal fade" id="rejectModal_{{$reserva->id}}" tabindex="-1" role="dialog" aria-labelledby="rejectModalLabel" aria-hidden="true">
+                <div class="modal-dialog" role="document">
+                    <div class="modal-content">
+                        <form action="{{route('reservas.destroy', $reserva)}}" method="POST">
+                            @csrf
+                            @method('DELETE')
+                            <div class="modal-header">
+                                <h5 class="modal-title" id="rejectModalLabel">Recusar Reserva</h5>
+                                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+                            </div>
+                            <div class="modal-body">
+                                <p>Tem certeza que deseja recusar esta reserva?</p>
+                                <div class="form-group">
+                                    <label for="justificativa_recusa"><b>Justificativa:</b></label>
+                                    <textarea name="justificativa_recusa" class="form-control" rows="3" required></textarea>
+                                </div>
+                            </div>
+                            <div class="modal-footer">
+                                <button type="submit" class="btn btn-danger">Confirmar Recusa</button>
+                                <button type="button" class="btn btn-secondary" data-dismiss="modal">Cancelar</button>
+                            </div>
+                        </form>
+                    </div>
+                </div>
+            </div>
+        @else
+            <form action="{{route('reservas.destroy', $reserva)}}" method="POST" id="form-reserva-recusar" onsubmit="return confirm('Recusar reserva?')">
+                @csrf
+                @method('DELETE')
+            </form>
+        @endif
+
         <div class="mt-4">
             <a class="btn btn-success" href="{{route('reservas.aprovar', $reserva)}}"><i class="fa fa-check"></i> Aprovar</a>
-            <button class="btn btn-danger" form="form-reserva-recusar"><i class="fa fa-ban"></i> Recusar</button>
+            <button class="btn btn-danger" @if($reserva->sala->restricao->exige_justificativa_recusa) type="button" data-toggle="modal" data-target="#rejectModal_{{$reserva->id}}" @else form="form-reserva-recusar" @endif><i class="fa fa-ban"></i> Recusar</button>
         </div>
     @endcan
-@endif
\ No newline at end of file
+@endif
diff --git a/resources/views/sala/partials/form.blade.php b/resources/views/sala/partials/form.blade.php
index aac28ee..9d7fae2 100644
--- a/resources/views/sala/partials/form.blade.php
+++ b/resources/views/sala/partials/form.blade.php
@@ -62,6 +62,17 @@
                         <label for="aprovacao-nao">Não</label>
                     </div>
                 </div>
+                <div id="exige_justificativa_recusa_sim_nao" class="col-sm form-group">
+                    <b>Exigir justificativa no ato da recusa?</b>
+                    <div class="form-check">
+                        <input name="exige_justificativa_recusa" type="radio" class="form-check-input radio-exige-justificativa-recusa" id="exige-justificativa-recusa-sim" value="1" {{ ((float) ($sala->restricao->exige_justificativa_recusa ?? 0) > 0) ? 'checked' : '' }}>
+                        <label for="exige-justificativa-recusa-sim">Sim</label>
+                    </div>
+                    <div class="form-check">
+                        <input name="exige_justificativa_recusa" type="radio" class="form-check-input radio-exige-justificativa-recusa" id="exige-justificativa-recusa-nao" value="0" {{ ((float) ($sala->restricao->exige_justificativa_recusa ?? 0) == 0) ? 'checked' : '' }}>
+                        <label for="exige-justificativa-recusa-nao">Não</label>
+                    </div>
+                </div>
                 <div id="prazo_aprovacao_sim_nao" class="col-sm form-group">
                     <b>Aprovar automaticamente após certo prazo sem aprovação nem rejeição?</b>
                     <div class="form-check">
@@ -276,9 +287,12 @@
     });
 
     function aprovacaoChanged() {
-        if ($("#aprovacao-sim").is(":checked"))
+        if ($("#aprovacao-sim").is(":checked")) {
+            $('#exige_justificativa_recusa_sim_nao').show();
             $('#prazo_aprovacao_sim_nao').show();
-        else {
+        } else {
+            $('#exige_justificativa_recusa_sim_nao').hide();
+            $("#exige-justificativa-recusa-nao").prop("checked", true);
             $('#prazo_aprovacao_sim_nao').hide();
             $("#aprovacao-prazo-nao").prop("checked", true);
         }