diff --git a/WebContent/jsp/onl/apim/portalorg/portalOrgManDetail.jsp b/WebContent/jsp/onl/apim/portalorg/portalOrgManDetail.jsp
index 5fc9ed6..bb6bfdd 100644
--- a/WebContent/jsp/onl/apim/portalorg/portalOrgManDetail.jsp
+++ b/WebContent/jsp/onl/apim/portalorg/portalOrgManDetail.jsp
@@ -456,33 +456,48 @@
 				var orgMiddle = $("#orgPhoneMiddle").val();
 				var orgLast = $("#orgPhoneLast").val();
 
-				// 전화번호 유효성 검사
-				if (scPrefix === "") {
-					alert("고객센터 전화번호 앞자리를 선택해주세요.");
-					$("#scPhonePrefix").focus();
-					return;
+				// 전화번호 유효성 검사 (입력한 경우에만 검사)
+				// 고객센터 전화번호 검사
+				var hasScPhone = scPrefix || scMiddle || scLast;
+				if (hasScPhone) {
+					if (!scPrefix || scPrefix === "") {
+						alert("고객센터 전화번호를 입력하려면 앞자리를 선택해주세요.");
+						$("#scPhonePrefix").focus();
+						return;
+					}
+					if (!scMiddle || !scLast || scMiddle.length < 3 || scLast.length < 4) {
+						alert("올바른 고객센터 전화번호를 입력하여 주십시오.");
+						return;
+					}
 				}
 
-				if (orgPrefix === "") {
-					alert("회사 전화번호 앞자리를 선택해주세요.");
-					$("#orgPhonePrefix").focus();
-					return;
+				// 회사 전화번호 검사
+				var hasOrgPhone = orgPrefix || orgMiddle || orgLast;
+				if (hasOrgPhone) {
+					if (!orgPrefix || orgPrefix === "") {
+						alert("회사 전화번호를 입력하려면 앞자리를 선택해주세요.");
+						$("#orgPhonePrefix").focus();
+						return;
+					}
+					if (!orgMiddle || !orgLast || orgMiddle.length < 3 || orgLast.length < 4) {
+						alert("올바른 회사 전화번호를 입력하여 주십시오.");
+						return;
+					}
 				}
 
-				if (!scMiddle || !scLast || scMiddle.length < 3 || scLast.length < 4) {
-					alert("올바른 고객센터 전화번호를 입력하여 주십시오.");
-					return;
+				// hidden input에 전체 전화번호 설정 (입력한 경우에만)
+				if (hasScPhone && scPrefix && scMiddle && scLast) {
+					$("input[name=scPhoneNumber]").val([scPrefix, scMiddle, scLast].join('-'));
+				} else {
+					$("input[name=scPhoneNumber]").val('');
 				}
 
-				if (!orgMiddle || !orgLast || orgMiddle.length < 3 || orgLast.length < 4) {
-					alert("올바른 회사 전화번호를 입력하여 주십시오.");
-					return;
+				if (hasOrgPhone && orgPrefix && orgMiddle && orgLast) {
+					$("input[name=orgPhoneNumber]").val([orgPrefix, orgMiddle, orgLast].join('-'));
+				} else {
+					$("input[name=orgPhoneNumber]").val('');
 				}
 
-				// hidden input에 전체 전화번호 설정
-				$("input[name=scPhoneNumber]").val([scPrefix, scMiddle, scLast].join('-'));
-				$("input[name=orgPhoneNumber]").val([orgPrefix, orgMiddle, orgLast].join('-'));
-
 				// 파일 체크
 				var fileInput = document.getElementById('compRegFileUpload');
 				if (fileInput.files.length > 0) {
@@ -613,7 +628,7 @@
 					<td style="width:35%;"><input type="text" name="orgSectors" id="orgSectors" maxlength="50" /></td>
 				</tr>
 				<tr>
-					<th style="width:15%;"><%= getRequiredLabel(localeMessage.getString("portalOrg.orgCode")) %></th>
+					<th style="width:15%;"><%= localeMessage.getString("portalOrg.orgCode") %></th>
 					<td colspan="3" style="width:35%;">
 						<div style="display: flex; align-items: center;">
 							<input type="text" name="orgCode" id="orgCode" style="width: 200px; margin-right: 10px;"/>
@@ -628,22 +643,19 @@
 					<td colspan="3">
 						<input type="text"  name="compRegNo" id ="compRegNo" data-required data-warning="사업자 등록번호를 입력하여 주십시오."/>
 					</td>
-					<th ><%= getRequiredLabel(localeMessage.getString("portalOrg.ceoName")) %></th>
+					<th><%= localeMessage.getString("portalOrg.ceoName") %></th>
 					<td>
-						<input type="text" name="ceoName" id="ceoName" maxlength="50"
-							   data-required data-warning="대표자 성명을 입력하여 주십시오." />
+						<input type="text" name="ceoName" id="ceoName" maxlength="50" />
 					</td>
 				</tr>
 				<tr>
-					<th><%= getRequiredLabel(localeMessage.getString("portalOrg.corpRegNo")) %></th>
+					<th><%= localeMessage.getString("portalOrg.corpRegNo") %></th>
 					<td colspan="3">
-						<input type="text" name="corpRegNo" id="corpRegNo"
-							   data-required data-warning="법인등록번호를 입력하여 주십시오."/>
+						<input type="text" name="corpRegNo" id="corpRegNo" />
 					</td>
-					<th><%= getRequiredLabel(localeMessage.getString("portalOrg.orgAddr")) %></th>
+					<th><%= localeMessage.getString("portalOrg.orgAddr") %></th>
 					<td>
-						<input type="text" name="orgAddr" id="orgAddr" maxlength="255"
-							   data-required data-warning="사업장 소재지를 입력하여 주십시오."/>
+						<input type="text" name="orgAddr" id="orgAddr" maxlength="255" />
 					</td>
 				</tr>
 				<tr>
@@ -651,19 +663,18 @@
 					<td style="width:10%;"><div class="select-style"><select name="approvalStatus"/></div></td>
 					<th style="width:15%;"><%= localeMessage.getString("portalOrg.orgStatus") %></th>
 					<td style="width:10%;"><div class="select-style"><select  name="orgStatus" id="orgStatus" /></div></td>
-					<th><%= getRequiredLabel(localeMessage.getString("portalOrg.serviceName")) %></th>
+					<th><%= localeMessage.getString("portalOrg.serviceName") %></th>
 					<td>
-						<input type="text" name="serviceName" id="serviceName" maxlength="36"
-							   data-required data-warning="서비스명을 입력하여 주십시오."/>
+						<input type="text" name="serviceName" id="serviceName" maxlength="36" />
 					</td>
 				</tr>
 				<tr>
-					<th><%= getRequiredLabel(localeMessage.getString("portalOrg.scPhoneNumber")) %></th>
+					<th><%= localeMessage.getString("portalOrg.scPhoneNumber") %></th>
 					<td colspan="3">
 						<div class="input-group" style="width: 60%; display: flex;">
-							<div class="select-style" style="width: 25%; display: inline-block;">
-								<select id="scPhonePrefix" name="scPhonePrefix"  style="padding-left: 10px;"
-										data-required data-warning="고객센터 전화번호 앞자리를 선택해주세요.">
+							<div class="select-style" style="width: 30%; display: inline-block;">
+								<select id="scPhonePrefix" name="scPhonePrefix"  style="padding-left: 10px;">
+									<option value="">선택</option>
 									<option value="국번없음">국번없음</option>
 									<option value="02">02</option>
 									<option value="031">031</option>
@@ -686,20 +697,18 @@
 								</select>
 							</div>
 							<span class="mx-2">-</span>
-							<input type="text" id="scPhoneMiddle" name="scPhoneMiddle" maxlength="4" style="width: 20%; text-align: center;"
-								   data-required data-warning="고객센터 전화번호 중간자리를 입력하여 주십시오." />
+							<input type="text" id="scPhoneMiddle" name="scPhoneMiddle" maxlength="4" style="width: 20%; text-align: center;" />
 							<span class="mx-2">-</span>
-							<input type="text" id="scPhoneLast" name="scPhoneLast" maxlength="4" style="width: 20%; text-align: center;"
-								   data-required data-warning="고객센터 전화번호 끝자리를 입력하여 주십시오." />
+							<input type="text" id="scPhoneLast" name="scPhoneLast" maxlength="4" style="width: 20%; text-align: center;" />
 							<input type="hidden" name="scPhoneNumber"/>
 						</div>
 					</td>
-					<th><%= getRequiredLabel(localeMessage.getString("portalOrg.orgPhoneNumber")) %></th>
+					<th><%= localeMessage.getString("portalOrg.orgPhoneNumber") %></th>
 					<td>
 						<div class="input-group" style="width: 60%; display: flex;">
-							<div class="select-style" style="width: 25%; display: inline-block;">
-								<select id="orgPhonePrefix" name="orgPhonePrefix"  style="padding-left: 10px;"
-										data-required data-warning="회사 전화번호 앞자리를 선택해주세요." >
+							<div class="select-style" style="width: 30%; display: inline-block;">
+								<select id="orgPhonePrefix" name="orgPhonePrefix"  style="padding-left: 10px;">
+									<option value="">선택</option>
 									<option value="국번없음">국번없음</option>
 									<option value="02">02</option>
 									<option value="031">031</option>
@@ -722,11 +731,9 @@
 								</select>
 							</div>
 							<span class="mx-2">-</span>
-							<input type="text" id="orgPhoneMiddle" name="orgPhoneMiddle" maxlength="4" style="width: 20%; text-align: center;"
-								   data-required data-warning="회사 전화번호 중간자리를 입력하여 주십시오." />
+							<input type="text" id="orgPhoneMiddle" name="orgPhoneMiddle" maxlength="4" style="width: 20%; text-align: center;" />
 							<span class="mx-2">-</span>
-							<input type="text" id="orgPhoneLast" name="orgPhoneLast" maxlength="4" style="width: 20%; text-align: center;"
-								   data-required data-warning="회사 전화번호 끝자리를 입력하여 주십시오." />
+							<input type="text" id="orgPhoneLast" name="orgPhoneLast" maxlength="4" style="width: 20%; text-align: center;" />
 							<input type="hidden" name="orgPhoneNumber"/>
 						</div>
 					</td>