diff --git a/app/Services/CareerCertService.php b/app/Services/CareerCertService.php
index f107e0f2..29aea044 100644
--- a/app/Services/CareerCertService.php
+++ b/app/Services/CareerCertService.php
@@ -62,6 +62,7 @@ public function getCertInfo(int $userId, int $tenantId): array
 
         return [
             'name' => $employee->user->name ?? $employee->display_name ?? '',
+            'resident_number' => $residentNumber,
             'birth_date' => $birthDate,
             'address' => $employee->address ?? '',
             'department' => $employee->department?->name ?? '',
@@ -108,6 +109,9 @@ public function generatePdfResponse(array $content): \Illuminate\Http\Response
 
         $this->addTableRow($pdf, $font, [
             ['성 명', $content['name'] ?? '-', 40],
+            ['주민등록번호', $content['resident_number'] ?? '-', 40],
+        ]);
+        $this->addTableRow($pdf, $font, [
             ['생년월일', $content['birth_date'] ?? '-', 40],
         ]);
         $this->addTableRow($pdf, $font, [
diff --git a/app/Services/EmploymentCertService.php b/app/Services/EmploymentCertService.php
index 70733672..0e80bcf9 100644
--- a/app/Services/EmploymentCertService.php
+++ b/app/Services/EmploymentCertService.php
@@ -43,15 +43,11 @@ public function getCertInfo(int $userId, int $tenantId): array
         $displayName = $displaySetting?->setting_value ?? '';
         $companyName = ! empty($displayName) ? $displayName : ($tenant->company_name ?? '');
 
-        $residentNumber = $employee->resident_number;
-        $maskedResident = $residentNumber
-            ? substr($residentNumber, 0, 8).'******'
-            : '';
+        $residentNumber = $employee->resident_number ?? '';
 
         return [
             'name' => $employee->user->name ?? $employee->display_name ?? '',
-            'resident_number' => $maskedResident,
-            'resident_number_full' => $residentNumber ?? '',
+            'resident_number' => $residentNumber,
             'address' => $employee->address ?? '',
             'department' => $employee->department?->name ?? '',
             'position' => $employee->position_label ?? '',
diff --git a/resources/views/approvals/create.blade.php b/resources/views/approvals/create.blade.php
index db08737f..600c8d97 100644
--- a/resources/views/approvals/create.blade.php
+++ b/resources/views/approvals/create.blade.php
@@ -897,6 +897,7 @@ function applyBodyTemplate(formId) {
         formContent = {
             cert_user_id: document.getElementById('cc-user-id').value,
             name: document.getElementById('cc-name').value,
+            resident_number: document.getElementById('cc-resident').value,
             birth_date: document.getElementById('cc-birth-date').value,
             address: document.getElementById('cc-address').value,
             department: document.getElementById('cc-department').value,
@@ -1248,6 +1249,7 @@ function printCertPreview() {
         if (data.success) {
             const d = data.data;
             document.getElementById('cc-name').value = d.name || '';
+            document.getElementById('cc-resident').value = d.resident_number || '';
             document.getElementById('cc-birth-date').value = d.birth_date || '';
             document.getElementById('cc-address').value = d.address || '';
             document.getElementById('cc-company').value = d.company_name || '';
@@ -1289,6 +1291,7 @@ function getCareerCertPurpose() {
 
 function openCareerCertPreview() {
     const name = document.getElementById('cc-name').value || '-';
+    const residentNumber = document.getElementById('cc-resident').value || '-';
     const birthDate = document.getElementById('cc-birth-date').value || '-';
     const address = document.getElementById('cc-address').value || '-';
     const company = document.getElementById('cc-company').value || '-';
@@ -1306,7 +1309,7 @@ function openCareerCertPreview() {
     const issueDateFormatted = issueDate !== '-' ? issueDate.replace(/-/g, function(m, i) { return i === 4 ? '년 ' : '월 '; }) + '일' : '-';
 
     const el = document.getElementById('career-cert-preview-content');
-    el.innerHTML = buildCareerCertPreviewHtml({ name, birthDate, address, company, businessNum, ceoName, phone, companyAddress, department, position, hireDate, resignDate, jobDescription, purpose, issueDateFormatted });
+    el.innerHTML = buildCareerCertPreviewHtml({ name, residentNumber, birthDate, address, company, businessNum, ceoName, phone, companyAddress, department, position, hireDate, resignDate, jobDescription, purpose, issueDateFormatted });
 
     document.getElementById('career-cert-preview-modal').style.display = '';
     document.body.style.overflow = 'hidden';
@@ -1342,8 +1345,14 @@ function buildCareerCertPreviewHtml(d) {
             <tr>
                 <th style="${thStyle}">성 명</th>
                 <td style="${tdStyle}">${e(d.name)}</td>
+                <th style="${thStyle}">주민등록번호</th>
+                <td style="${tdStyle}">${e(d.residentNumber)}</td>
+            </tr>
+            <tr>
                 <th style="${thStyle}">생년월일</th>
                 <td style="${tdStyle}">${e(d.birthDate)}</td>
+                <th style="${thStyle}"></th>
+                <td style="${tdStyle}"></td>
             </tr>
             <tr>
                 <th style="${thStyle}">주 소</th>
diff --git a/resources/views/approvals/partials/_career-cert-form.blade.php b/resources/views/approvals/partials/_career-cert-form.blade.php
index 180e6879..fd707a15 100644
--- a/resources/views/approvals/partials/_career-cert-form.blade.php
+++ b/resources/views/approvals/partials/_career-cert-form.blade.php
@@ -46,6 +46,11 @@ class="shrink-0 px-3 py-2 bg-indigo-50 text-indigo-600 hover:bg-indigo-100 borde
                         <input type="text" id="cc-name" readonly
                                class="w-full px-3 py-2 border border-gray-200 rounded-lg text-sm bg-gray-50 text-gray-700">
                     </div>
+                    <div style="flex: 1 1 200px; max-width: 300px;">
+                        <label class="block text-xs font-medium text-gray-500 mb-1">주민등록번호</label>
+                        <input type="text" id="cc-resident" readonly
+                               class="w-full px-3 py-2 border border-gray-200 rounded-lg text-sm bg-gray-50 text-gray-700">
+                    </div>
                     <div style="flex: 1 1 200px; max-width: 300px;">
                         <label class="block text-xs font-medium text-gray-500 mb-1">생년월일</label>
                         <input type="text" id="cc-birth-date" readonly
diff --git a/resources/views/approvals/partials/_career-cert-show.blade.php b/resources/views/approvals/partials/_career-cert-show.blade.php
index 47d858ca..43945b29 100644
--- a/resources/views/approvals/partials/_career-cert-show.blade.php
+++ b/resources/views/approvals/partials/_career-cert-show.blade.php
@@ -34,6 +34,10 @@ class="px-3 py-1.5 bg-green-50 text-green-600 hover:bg-green-100 border border-g
                     <span class="text-xs text-gray-500">성명</span>
                     <div class="text-sm font-medium mt-0.5">{{ $content['name'] ?? '-' }}</div>
                 </div>
+                <div>
+                    <span class="text-xs text-gray-500">주민등록번호</span>
+                    <div class="text-sm font-medium mt-0.5">{{ $content['resident_number'] ?? '-' }}</div>
+                </div>
                 <div>
                     <span class="text-xs text-gray-500">생년월일</span>
                     <div class="text-sm font-medium mt-0.5">{{ $content['birth_date'] ?? '-' }}</div>