diff --git a/app/Http/Controllers/Finance/TradingPartnerController.php b/app/Http/Controllers/Finance/TradingPartnerController.php
index ed0c9cc4..748d6d5a 100644
--- a/app/Http/Controllers/Finance/TradingPartnerController.php
+++ b/app/Http/Controllers/Finance/TradingPartnerController.php
@@ -83,6 +83,7 @@ public function store(Request $request): JsonResponse
     {
         $request->validate([
             'name' => 'required|string|max:100',
+            'bizNo' => 'required|string|max:20',
             'type' => 'nullable|string|max:100',
             'category' => 'nullable|string|max:100',
         ]);
@@ -92,7 +93,7 @@ public function store(Request $request): JsonResponse
         $partner = TradingPartner::create([
             'tenant_id' => $tenantId,
             'name' => $request->input('name'),
-            'trade_type' => $request->input('tradeType', 'sales'),
+            'trade_type' => $request->input('tradeType') ?? 'sales',
             'type' => $request->input('type') ?? 'vendor',
             'category' => $request->input('category') ?? '기타',
             'biz_no' => $request->input('bizNo'),
@@ -103,7 +104,7 @@ public function store(Request $request): JsonResponse
             'address' => $request->input('address'),
             'manager' => $request->input('manager'),
             'manager_phone' => $request->input('managerPhone'),
-            'status' => $request->input('status', 'active'),
+            'status' => $request->input('status') ?? 'active',
             'memo' => $request->input('memo'),
         ]);
 
diff --git a/resources/views/finance/partners.blade.php b/resources/views/finance/partners.blade.php
index 7c1ae533..d074f19a 100644
--- a/resources/views/finance/partners.blade.php
+++ b/resources/views/finance/partners.blade.php
@@ -127,6 +127,7 @@ function PartnersManagement() {
     };
     const handleSave = async () => {
         if (!formData.name) { alert('거래처명을 입력해주세요.'); return; }
+        if (!formData.bizNo) { alert('사업자번호를 입력해주세요.'); return; }
         setSaving(true);
         try {
             const url = modalMode === 'add' ? '/finance/partners/store' : `/finance/partners/${editingItem.id}`;
@@ -362,7 +363,7 @@ className={`mb-4 border-2 border-dashed rounded-xl p-6 text-center cursor-pointe
                             </div>
                             <div><label className="block text-sm font-medium text-gray-700 mb-1">거래처명 *</label><input type="text" value={formData.name} onChange={(e) => setFormData(prev => ({ ...prev, name: e.target.value }))} placeholder="거래처명" className="w-full px-3 py-2 border border-gray-300 rounded-lg" /></div>
                             <div className="grid grid-cols-2 gap-4">
-                                <div><label className="block text-sm font-medium text-gray-700 mb-1">사업자번호</label><input type="text" value={formData.bizNo} onChange={(e) => setFormData(prev => ({ ...prev, bizNo: e.target.value }))} placeholder="123-45-67890" className="w-full px-3 py-2 border border-gray-300 rounded-lg" /></div>
+                                <div><label className="block text-sm font-medium text-gray-700 mb-1">사업자번호 *</label><input type="text" value={formData.bizNo} onChange={(e) => setFormData(prev => ({ ...prev, bizNo: e.target.value }))} placeholder="123-45-67890" className="w-full px-3 py-2 border border-gray-300 rounded-lg" /></div>
                                 <div><label className="block text-sm font-medium text-gray-700 mb-1">대표자</label><input type="text" value={formData.ceo} onChange={(e) => setFormData(prev => ({ ...prev, ceo: e.target.value }))} placeholder="대표자명" className="w-full px-3 py-2 border border-gray-300 rounded-lg" /></div>
                             </div>
                             <div className="grid grid-cols-2 gap-4">