diff --git a/database/migrations/2024_02_08_181804_taxes_amount_as_signed.php b/database/migrations/2024_02_08_181804_taxes_amount_as_signed.php
new file mode 100644
index 00000000..3a1580d5
--- /dev/null
+++ b/database/migrations/2024_02_08_181804_taxes_amount_as_signed.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class TaxesAmountAsSigned extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('taxes', function (Blueprint $table) {
+            $table->bigInteger('amount')->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('taxes', function (Blueprint $table) {
+            $table->unsignedBigInteger('amount')->change();
+        });
+    }
+}
diff --git a/resources/scripts/admin/components/modal-components/TaxTypeModal.vue b/resources/scripts/admin/components/modal-components/TaxTypeModal.vue
index e7c1d76a..d162b827 100644
--- a/resources/scripts/admin/components/modal-components/TaxTypeModal.vue
+++ b/resources/scripts/admin/components/modal-components/TaxTypeModal.vue
@@ -169,7 +169,7 @@ const rules = computed(() => {
         required: helpers.withMessage(t('validation.required'), required),
         between: helpers.withMessage(
           t('validation.enter_valid_tax_rate'),
-          between(0, 100)
+          between(-100, 100)
         ),
       },
       description: {