diff --git a/adm/shop_admin/admin.shop.lib.php b/adm/shop_admin/admin.shop.lib.php
index dc2f06b33..6cd06f9d5 100644
--- a/adm/shop_admin/admin.shop.lib.php
+++ b/adm/shop_admin/admin.shop.lib.php
@@ -208,7 +208,7 @@ function is_cancel_shop_pg_order($od){
         $is_od_pg_cancel = true;
     }
 
-    if ($od['od_pg'] === 'nicepay' && (in_array($od['od_settle_case'], array('계좌이체', '휴대폰')) || ($od['od_settle_case'] === '가상계좌' && $od['od_status'] === '주문'))) {
+    if ($od['od_pg'] === 'nicepay' && in_array($od['od_settle_case'], array('계좌이체', '휴대폰', '가상계좌'))) {
         $is_od_pg_cancel = true;
     }
 
diff --git a/adm/shop_admin/orderform.php b/adm/shop_admin/orderform.php
index 72df6964e..bcaeeec9a 100644
--- a/adm/shop_admin/orderform.php
+++ b/adm/shop_admin/orderform.php
@@ -220,6 +220,13 @@ if ($od['od_pg'] === 'nicepay') {
 
 // add_javascript('js 구문', 출력순서); 숫자가 작을 수록 먼저 출력됨
 add_javascript(G5_POSTCODE_JS, 0);    //다음 주소 js
+
+$is_nicepay_vbank_pg_cancel = ($od['od_pg'] === 'nicepay' && $od['od_settle_case'] === '가상계좌' && is_cancel_shop_pg_order($od));
+if ($is_nicepay_vbank_pg_cancel) {
+    add_stylesheet('<link rel="stylesheet" href="'.G5_JS_URL.'/remodal/remodal.css">', 11);
+    add_stylesheet('<link rel="stylesheet" href="'.G5_JS_URL.'/remodal/remodal-default-theme.css">', 12);
+    add_javascript('<script src="'.G5_JS_URL.'/remodal/remodal.js"></script>', 10);
+}
 ?>
 
 <section id="anc_sodr_list">
@@ -249,6 +256,13 @@ add_javascript(G5_POSTCODE_JS, 0);    //다음 주소 js
     <input type="hidden" name="search" value="<?php echo $search; ?>">
     <input type="hidden" name="page" value="<?php echo $page;?>">
     <input type="hidden" name="pg_cancel" value="0">
+    <input type="hidden" name="submit_ct_status" value="">
+    <?php if ($is_nicepay_vbank_pg_cancel) { ?>
+    <input type="hidden" name="RefundAcctNo" value="">
+    <input type="hidden" name="RefundBankCd" value="">
+    <input type="hidden" name="RefundAcctNm" value="">
+    <input type="hidden" name="nicepay_vbank_refund_confirmed" value="0">
+    <?php } ?>
 
     <div class="tbl_head01 tbl_wrap">
         <table>
@@ -1195,7 +1209,157 @@ add_javascript(G5_POSTCODE_JS, 0);    //다음 주소 js
     </form>
 </section>
 
+<?php if ($is_nicepay_vbank_pg_cancel) {
+    $nicepay_refund_bank_codes = array(
+        '은행/기관' => array(
+            '001' => '한국은행',
+            '002' => '산업은행',
+            '003' => '기업은행',
+            '004' => '국민은행',
+            '005' => '외환은행',
+            '007' => '수협은행',
+            '008' => '수출입은행',
+            '011' => 'NH농협은행',
+            '012' => '농협중앙회(지역농축협)',
+            '020' => '우리은행',
+            '023' => 'SC제일은행',
+            '026' => '서울은행',
+            '027' => '한국씨티은행',
+            '030' => '수협중앙회',
+            '031' => 'iM뱅크(대구)',
+            '032' => '부산은행',
+            '034' => '광주은행',
+            '035' => '제주은행',
+            '037' => '전북은행',
+            '039' => '경남은행',
+            '045' => '새마을금고',
+            '048' => '신협',
+            '050' => '저축은행',
+            '051' => '기타 외국계은행',
+            '052' => '모건스탠리은행',
+            '054' => 'HSBC은행',
+            '055' => '도이치은행',
+            '056' => '알비에스피엘씨은행',
+            '057' => '제이피모간체이스은행',
+            '058' => '미즈호은행',
+            '059' => '엠유에프지은행',
+            '060' => 'BOA은행',
+            '061' => '비엔피파리바은행',
+            '062' => '중국공상은행',
+            '063' => '중국은행',
+            '064' => '산림조합중앙회',
+            '065' => '대화은행',
+            '071' => '우체국',
+            '076' => '신용보증기금',
+            '077' => '기술보증기금',
+            '081' => '하나은행',
+            '088' => '신한은행',
+            '089' => '케이뱅크',
+            '090' => '카카오뱅크',
+            '092' => '토스뱅크',
+            '093' => '한국주택금융공사',
+            '094' => '서울보증보험',
+            '095' => '경찰청',
+            '099' => '금융결제원'
+        ),
+        '증권사' => array(
+            '209' => '유안타증권',
+            '218' => 'KB증권',
+            '238' => '미래에셋증권',
+            '240' => '삼성증권',
+            '243' => '한국투자증권',
+            '247' => 'NH투자증권',
+            '261' => '교보증권',
+            '262' => 'iM증권',
+            '263' => '현대차증권',
+            '264' => '키움증권',
+            '265' => 'LS증권',
+            '266' => '에스케이증권',
+            '267' => '대신증권',
+            '269' => '한화투자증권',
+            '270' => '하나증권',
+            '271' => '토스증권',
+            '278' => '신한투자증권',
+            '279' => 'DB증권',
+            '280' => '유진투자증권',
+            '287' => '메리츠증권',
+            '288' => '카카오페이증권',
+            '289' => '엔에이치투자증권',
+            '290' => '부국증권',
+            '291' => '신영증권',
+            '292' => '케이프투자증권'
+        )
+    );
+?>
+<div class="remodal" data-remodal-id="nicepay-vbank-refund" data-remodal-options="hashTracking:false, closeOnOutsideClick:false">
+    <button data-remodal-action="close" class="remodal-close"></button>
+    <h3>나이스페이 가상계좌 환불 정보</h3>
+    <p>입금 후 환불 건은 환불계좌 정보를 입력해야 합니다. 입금 전 발급취소 건은 비워두고 진행할 수 있습니다.</p>
+    <div class="tbl_frm01 tbl_wrap">
+        <table>
+        <caption>나이스페이 가상계좌 환불 정보 입력</caption>
+        <colgroup>
+            <col class="grid_4">
+            <col>
+        </colgroup>
+        <tbody>
+        <tr>
+            <th scope="row"><label for="nicepay_refund_acct_no">환불계좌번호</label></th>
+            <td><input type="text" id="nicepay_refund_acct_no" class="frm_input" size="22" maxlength="16" inputmode="numeric" autocomplete="off"> 숫자만 입력</td>
+        </tr>
+        <tr>
+            <th scope="row"><label for="nicepay_refund_bank_cd">환불은행</label></th>
+            <td>
+                <select id="nicepay_refund_bank_cd" class="frm_input">
+                    <option value="">은행을 선택해 주세요</option>
+                    <?php foreach ($nicepay_refund_bank_codes as $bank_group => $bank_codes) { ?>
+                    <optgroup label="<?php echo $bank_group; ?>">
+                        <?php foreach ($bank_codes as $bank_code => $bank_name) { ?>
+                        <option value="<?php echo $bank_code; ?>"><?php echo $bank_name; ?> (<?php echo $bank_code; ?>)</option>
+                        <?php } ?>
+                    </optgroup>
+                    <?php } ?>
+                </select>
+            </td>
+        </tr>
+        <tr>
+            <th scope="row"><label for="nicepay_refund_acct_nm">환불계좌주명</label></th>
+            <td><input type="text" id="nicepay_refund_acct_nm" class="frm_input" size="18" maxlength="10" autocomplete="off"> 10 byte 이하</td>
+        </tr>
+        </tbody>
+        </table>
+    </div>
+    <br>
+    <button type="button" class="remodal-cancel" data-remodal-action="cancel">취소</button>
+    <button type="button" class="remodal-confirm" id="nicepay_vbank_refund_submit">확인</button>
+</div>
+<?php } ?>
+
 <script>
+<?php if ($is_nicepay_vbank_pg_cancel) { ?>
+var nicepayVbankCancel = true;
+var nicepayVbankRefundRequired = <?php echo ((int) $od['od_receipt_price'] > 0) ? 'true' : 'false'; ?>;
+<?php } else { ?>
+var nicepayVbankCancel = false;
+var nicepayVbankRefundRequired = false;
+<?php } ?>
+
+function nicepay_submit_orderform(f)
+{
+    var status = document.pressed || (f.submit_ct_status ? f.submit_ct_status.value : "");
+    var statusInput = f.querySelector("input[type=hidden][name=ct_status]");
+
+    if (!statusInput) {
+        statusInput = document.createElement("input");
+        statusInput.type = "hidden";
+        statusInput.name = "ct_status";
+        f.appendChild(statusInput);
+    }
+
+    statusInput.value = status;
+    f.submit();
+}
+
 $(function() {
     // 전체 옵션선택
     $("#sit_select_all").click(function() {
@@ -1231,12 +1395,70 @@ $(function() {
         window.open(href, "partcancelwin", "left=100, top=100, width=600, height=350, scrollbars=yes");
         return false;
     });
+
+    $("#nicepay_refund_acct_no").on("input", function() {
+        this.value = this.value.replace(/[^0-9]/g, "");
+    });
+
+    $("#nicepay_vbank_refund_submit").on("click", function() {
+        var f = document.frmorderform;
+        var acctNo = $.trim($("#nicepay_refund_acct_no").val()).replace(/[^0-9]/g, "");
+        var bankCd = $.trim($("#nicepay_refund_bank_cd").val()).replace(/[^0-9]/g, "");
+        var acctNm = $.trim($("#nicepay_refund_acct_nm").val());
+        var hasRefundInfo = (acctNo !== "" || bankCd !== "" || acctNm !== "");
+
+        if (!nicepayVbankRefundRequired && !hasRefundInfo) {
+            f.RefundAcctNo.value = "";
+            f.RefundBankCd.value = "";
+            f.RefundAcctNm.value = "";
+            f.nicepay_vbank_refund_confirmed.value = 1;
+
+            if (form_submit(f)) {
+                nicepay_submit_orderform(f);
+            }
+
+            return false;
+        }
+
+        if (acctNo === "" || acctNo.length > 16) {
+            alert("환불계좌번호를 숫자 16자리 이하로 입력해 주십시오.");
+            $("#nicepay_refund_acct_no").focus();
+            return false;
+        }
+
+        if (!/^[0-9]{3}$/.test(bankCd)) {
+            alert("환불은행을 선택해 주십시오.");
+            $("#nicepay_refund_bank_cd").focus();
+            return false;
+        }
+
+        if (acctNm === "") {
+            alert("환불계좌주명을 입력해 주십시오.");
+            $("#nicepay_refund_acct_nm").focus();
+            return false;
+        }
+
+        f.RefundAcctNo.value = acctNo;
+        f.RefundBankCd.value = bankCd;
+        f.RefundAcctNm.value = acctNm;
+        f.nicepay_vbank_refund_confirmed.value = 1;
+
+        if (form_submit(f)) {
+            nicepay_submit_orderform(f);
+        }
+
+        return false;
+    });
 });
 
 function form_submit(f)
 {
     var check = false;
-    var status = document.pressed;
+    var status = document.pressed || (f.submit_ct_status ? f.submit_ct_status.value : "");
+
+    if (f.submit_ct_status) {
+        f.submit_ct_status.value = status;
+    }
 
     for (i=0; i<f.chk_cnt.value; i++) {
         if (document.getElementById('ct_chk_'+i).checked == true)
@@ -1268,9 +1490,16 @@ function form_submit(f)
         }).length;
 
         if(chked_cnt > 0 && remain_active_cnt == 0) {
-            if(confirm(cancel_pg+" 결제를 함께 취소하시겠습니까?\n\n한번 취소한 결제는 다시 복구할 수 없습니다.")) {
+            if(nicepayVbankCancel && f.nicepay_vbank_refund_confirmed.value == "1") {
                 f.pg_cancel.value = 1;
                 msg = cancel_pg+" 결제 취소와 함께 ";
+            } else if(confirm(cancel_pg+" 결제를 함께 취소하시겠습니까?\n\n한번 취소한 결제는 다시 복구할 수 없습니다.")) {
+                f.pg_cancel.value = 1;
+                msg = cancel_pg+" 결제 취소와 함께 ";
+                if (nicepayVbankCancel && f.nicepay_vbank_refund_confirmed.value != "1") {
+                    $('[data-remodal-id=nicepay-vbank-refund]').remodal().open();
+                    return false;
+                }
             } else {
                 f.pg_cancel.value = 0;
                 msg = "";
@@ -1282,6 +1511,9 @@ function form_submit(f)
     if (confirm(msg+"\'" + status + "\' 상태를 선택하셨습니다.\n\n선택하신대로 처리하시겠습니까?")) {
         return true;
     } else {
+        if (nicepayVbankCancel && f.nicepay_vbank_refund_confirmed) {
+            f.nicepay_vbank_refund_confirmed.value = 0;
+        }
         return false;
     }
 }
diff --git a/adm/shop_admin/orderformcartupdate.php b/adm/shop_admin/orderformcartupdate.php
index 32b8b55af..f9adc509b 100644
--- a/adm/shop_admin/orderformcartupdate.php
+++ b/adm/shop_admin/orderformcartupdate.php
@@ -6,6 +6,16 @@ auth_check_menu($auth, $sub_menu, "w");
 
 check_admin_token();
 
+$od_id = isset($_POST['od_id']) ? safe_replace_regex($_POST['od_id'], 'od_id') : '';
+$ct_status = isset($_POST['ct_status']) ? clean_xss_tags($_POST['ct_status'], 1, 1) : '';
+if ($ct_status === '' && isset($_POST['submit_ct_status'])) {
+    $ct_status = clean_xss_tags($_POST['submit_ct_status'], 1, 1);
+}
+$pg_cancel = isset($_POST['pg_cancel']) ? (int) $_POST['pg_cancel'] : 0;
+$nicepay_refund_acct_no = isset($_POST['RefundAcctNo']) ? preg_replace('/[^0-9]/', '', $_POST['RefundAcctNo']) : '';
+$nicepay_refund_bank_cd = isset($_POST['RefundBankCd']) ? preg_replace('/[^0-9]/', '', $_POST['RefundBankCd']) : '';
+$nicepay_refund_acct_nm = isset($_POST['RefundAcctNm']) ? trim(clean_xss_tags($_POST['RefundAcctNm'], 1, 1)) : '';
+
 $ct_chk_count = isset($_POST['ct_chk']) ? count($_POST['ct_chk']) : 0;
 if(!$ct_chk_count)
     alert('처리할 자료를 하나 이상 선택해 주십시오.');
@@ -13,7 +23,7 @@ if(!$ct_chk_count)
 $status_normal = array('주문','입금','준비','배송','완료');
 $status_cancel = array('취소','반품','품절');
 
-if (in_array($_POST['ct_status'], $status_normal) || in_array($_POST['ct_status'], $status_cancel)) {
+if (in_array($ct_status, $status_normal) || in_array($ct_status, $status_cancel)) {
     ; // 통과
 } else {
     alert('변경할 상태가 올바르지 않습니다.');
@@ -146,6 +156,38 @@ if (in_array($_POST['ct_status'], $status_cancel)) {
     }
 }
 
+if ($pg_cancel === 1 && in_array($ct_status, $status_cancel)) {
+    $nicepay_refund_order = sql_fetch(" select od_id, od_pg, od_settle_case, od_status, od_receipt_price from {$g5['g5_shop_order_table']} where od_id = '$od_id' ");
+
+    if (isset($nicepay_refund_order['od_id']) && $nicepay_refund_order['od_pg'] === 'nicepay' && $nicepay_refund_order['od_settle_case'] === '가상계좌' && is_cancel_shop_pg_order($nicepay_refund_order)) {
+        $nicepay_refund_required = ((int) $nicepay_refund_order['od_receipt_price'] > 0);
+        $nicepay_refund_inputted = ($nicepay_refund_acct_no !== '' || $nicepay_refund_bank_cd !== '' || $nicepay_refund_acct_nm !== '');
+
+        if (!$nicepay_refund_required && !$nicepay_refund_inputted) {
+            $nicepay_refund_acct_no = '';
+            $nicepay_refund_bank_cd = '';
+            $nicepay_refund_acct_nm = '';
+        } else {
+            if ($nicepay_refund_acct_no === '' || strlen($nicepay_refund_acct_no) > 16) {
+                alert('나이스페이 가상계좌 취소를 위해 환불계좌번호를 숫자 16자리 이하로 입력해 주십시오.');
+            }
+
+            if (!preg_match('/^[0-9]{3}$/', $nicepay_refund_bank_cd)) {
+                alert('나이스페이 가상계좌 취소를 위해 환불계좌코드를 숫자 3자리로 입력해 주십시오.');
+            }
+
+            if ($nicepay_refund_acct_nm === '') {
+                alert('나이스페이 가상계좌 취소를 위해 환불계좌주명을 입력해 주십시오.');
+            }
+
+            $nicepay_refund_acct_nm_euckr = function_exists('iconv') ? @iconv('UTF-8', 'EUC-KR//IGNORE', $nicepay_refund_acct_nm) : $nicepay_refund_acct_nm;
+            if (strlen($nicepay_refund_acct_nm_euckr) > 10) {
+                alert('나이스페이 환불계좌주명은 10 byte 이하로 입력해 주십시오.');
+            }
+        }
+    }
+}
+
 $search = isset($_REQUEST['search']) ? get_search_string($_REQUEST['search']) : '';
 $sort1 = isset($_REQUEST['sort1']) ? clean_xss_tags($_REQUEST['sort1'], 1, 1) : '';
 $sort2 = isset($_REQUEST['sort2']) ? clean_xss_tags($_REQUEST['sort2'], 1, 1) : '';
@@ -299,7 +341,7 @@ if(is_array($arr_it_id) && !empty($arr_it_id)) {
 
 // 장바구니 상품 모두 취소일 경우 주문상태 변경
 $cancel_change = false;
-if (in_array($_POST['ct_status'], $status_cancel)) {
+if (in_array($ct_status, $status_cancel)) {
     $sql = " select count(*) as od_count1,
                     SUM(IF(ct_status = '취소' OR ct_status = '반품' OR ct_status = '품절', 1, 0)) as od_count2
                 from {$g5['g5_shop_cart_table']}
@@ -474,7 +516,7 @@ if (in_array($_POST['ct_status'], $status_cancel)) {
         }
 
         // 관리자 주문취소 로그
-        $mod_history .= G5_TIME_YMDHIS.' '.$member['mb_id'].' 주문'.$_POST['ct_status'].' 처리'.$pg_cancel_log."\n";
+        $mod_history .= G5_TIME_YMDHIS.' '.$member['mb_id'].' 주문'.$ct_status.' 처리'.$pg_cancel_log."\n";
     }
 }
 
@@ -502,8 +544,8 @@ if ($mod_history) { // 주문변경 히스토리 기록
 if($cancel_change) {
     $sql .= " , od_status = '취소' "; // 주문상품 모두 취소, 반품, 품절이면 주문 취소
 } else {
-    if (isset($_POST['ct_status']) && in_array($_POST['ct_status'], $status_normal)) { // 정상인 주문상태만 기록
-        $sql .= " , od_status = '{$_POST['ct_status']}' ";
+    if ($ct_status && in_array($ct_status, $status_normal)) { // 정상인 주문상태만 기록
+        $sql .= " , od_status = '$ct_status' ";
     }
 }
 
diff --git a/shop/nicepay/cancel_process.php b/shop/nicepay/cancel_process.php
index 7a5528716..519e8ccd7 100644
--- a/shop/nicepay/cancel_process.php
+++ b/shop/nicepay/cancel_process.php
@@ -10,9 +10,12 @@ if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가
 $merchantKey = $default['de_nicepay_key'];
 $mid = $default['de_nicepay_mid'];
 $moid = isset($od_id) ? $od_id : get_session('ss_order_id');		
-$cancelMsg = $cancel_msg;
-$tid = $tno;
-$partialCancelCode = isset($partialCancelCode) ? (int) $partialCancelCode : 0;
+$cancelMsg = $cancel_msg;
+$tid = $tno;
+$partialCancelCode = isset($partialCancelCode) ? (int) $partialCancelCode : 0;
+$refundAcctNo = isset($nicepay_refund_acct_no) ? preg_replace('/[^0-9]/', '', $nicepay_refund_acct_no) : '';
+$refundBankCd = isset($nicepay_refund_bank_cd) ? preg_replace('/[^0-9]/', '', $nicepay_refund_bank_cd) : '';
+$refundAcctNm = isset($nicepay_refund_acct_nm) ? trim($nicepay_refund_acct_nm) : '';
 
 /*
 ****************************************************************************************
@@ -30,18 +33,25 @@ try{
 		'Moid' => $moid,
 		'CancelAmt' => $cancelAmt,
 		'CancelMsg' => iconv("UTF-8", "EUC-KR", $cancelMsg),
-		'PartialCancelCode' => $partialCancelCode,
-		'EdiDate' => $ediDate,
-		'SignData' => $signData,
-		'CharSet' => 'utf-8'
-	);
+		'PartialCancelCode' => $partialCancelCode,
+		'EdiDate' => $ediDate,
+		'SignData' => $signData,
+		'CharSet' => 'utf-8',
+		'EdiType' => 'JSON'
+	);
+
+	if ($refundAcctNo !== '' || $refundBankCd !== '' || $refundAcctNm !== '') {
+		$data['RefundAcctNo'] = $refundAcctNo;
+		$data['RefundBankCd'] = $refundBankCd;
+		$data['RefundAcctNm'] = function_exists('iconv') ? iconv("UTF-8", "EUC-KR//IGNORE", $refundAcctNm) : $refundAcctNm;
+	}
 
 	/*
 	****************************************************************************************
 	* <Cancel Request>
 	****************************************************************************************
 	*/
-	$response = nicepay_reqPost($data, "https://pg-api.nicepay.co.kr/webapi/cancel_process.jsp"); //Cancel API call
+	$response = nicepay_reqPost($data, "https://webapi.nicepay.co.kr/webapi/cancel_process.jsp"); //Cancel API call
 
 	$result = json_decode($response, true);